| Subject | English | German |
| reptil. | African slender-snouted crocodile | Panzerkrokodil (Crocodylus Casarea) |
| nat.res. | African slender-snouted crocodile | Panzerkrokodil (Crocodylus cataphractus) |
| life.sc., environ. | African slender-snouted crocodile, African sharp-nosed crocodile | Panzerkrokodil (Crocodylus cataphractus) |
| ornit. | Angola slender-tailed cisticola | Schwarzschwanz-Cistensänger (Cisticola melanura) |
| reptil. | Burmese slender skink | Burma-Schlankskink (Lygosoma anguininum) |
| reptil. | California slender salamander | Kalifornischer Wurmsalamander (Batrachoseps attenuatus) |
| reptil. | California slender salamander | Schleichensalamander (Batrachoseps attenuatus) |
| reptil. | California slender salamander | Gartensalamander (Batrachoseps attenuatus) |
| entomol. | cuckoo-feather slender | Ligustermotte (Coriscium cuculipennellum) |
| construct. | flooring of wood blocks jointed with slender keys | Parkettschwingfußboden |
| construct. | frame with slender legs | Rahmen mit elastischen Stielen |
| gen. | Loanga Slender-billed Weaver | Loangoweber |
| gen. | more slender | schlanker |
| gen. | more slender | schlankere |
| gen. | most slender | am schlanksten |
| gen. | most slender | schlankste |
| entomol. | ochre-tinged slender moth | Pappelschneckenmotte (Phyllocnistis suffusella) |
| reptil. | Oregon slender salamander | Oregon-Wurmsalamander (Batrachoseps wrighti) |
| agric. | rhododendron slender | Azaleenmotte (Calopilia azaleella, Caloptilia azaleella, Gracilaria azaleae, Gracilaria azaleella) |
| entomol. | simple-dot slender moth | Weidenschneckenmotte (Phyllocnistis saligna) |
| ornit. | slender antbird | Bahia-Ameisenschnäpper (Rhopornis) |
| ornit. | Slender Antbird | Bahiaameisenschlüpfer |
| construct. | slender arch | elastischer Bogen |
| gen. | slender bambooshark | Schlanker Bambushai |
| mamm. | slender bandicoots | Langnasenbeutler (Perameles) |
| mamm. | slender bandicoots | Beuteldachse (Perameles) |
| ichtyol. | slender barb | Schlankbarbe (Barbus unitaeniatus) |
| gen. | slender-beaked dolphin | Pantropischer Fleckendelfin |
| gen. | slender-beaked dolphin | Schlankdelfin |
| gen. | slender-beaked dolphin | Fleckendelfin |
| construct. | slender beam | schlanker Balken |
| nat.res. | slender bedstraw | Pariser Labkraut (Galium parisiense L.) |
| ornit. | slender-billed babbler | Schlankschnabeldrossling (Turdoides longirostris) |
| gen. | Slender-billed Babbler | Schlankschnabel-drossling |
| ornit. | slender-billed bulbul | Schmalschnabelbülbül (Andropadus gracilirostris) |
| ornit. | slender-billed cockatoo | Langschnabelsittich (Enicognathus leptorhynchus) |
| nat.sc., agric. | slender billed cockatoo | Nasenkakadu (Cacatus tenuirostris) |
| ornit. | slender-billed conure | Langschnabelsittich (Enicognathus leptorhynchus) |
| gen. | Slender-billed Conure | Langschnabelsittich |
| ornit. | slender-billed corella | Nasenkakadu (Cacatua tenuirostris) |
| ornit. | Slender-billed Crow | Sundakrähe |
| ornit. | slender-billed crow | Sunda-Krähe (Corvus enca) |
| gen. | slender-billed cuckoo-dove Macropygia amboinensis | Rosabrust-Kuckuckstaube |
| gen. | slender-billed curlew Numenius tenuirostris | Dünnschnabelbrachvogel |
| zool. | slender-billed curlew | Dünnschnabelbrachvogel (Numenius tenuirostris) |
| nat.res. | slender-billed curlew | Dünnschnabelbrachvogel (Numenius tenuirostris) |
| environ., nat.res. | slender-billed curlew | schlankschnäbeliger Brachvogel (Numenius tenuirostris) |
| ornit. | slender-billed curlew | Dünnschnabel-Brachvogel (Numenius tenuirostris) |
| ornit. | Slender-billed Curlew | Dünnschnabel-Brachvogel (Numenius tenuirostris) |
| nat.res. | slender-billed curlew | Dünnschnabel-Brachvogel (Numenius tenuirostris) |
| gen. | slender-billed curlew Numenius tenuirostris | Dünnschnabel-Brachvogel |
| ornit. | slender-billed finch | Feinschnabelämmerling (Xenospingus) |
| ornit. | slender-billed grackle | Sumpfgrackel (Quiscalus palustris) |
| ornit. | slender-billed graybird | Mönchsraupenfänger (Coracina tenuirostris) |
| ornit. | slender-billed greenbul | Schmalschnabelbülbül (Andropadus gracilirostris) |
| zool. | slender-billed gull | Dünnschnabelmöwe (Larus genei) |
| nat.res. | slender-billed gull | Dünnschnabelmöwe (Larus genei) |
| ornit. | Slender-billed Gull | Dünnschnabelmöwe (Larus genei) |
| nat.res. | slender-billed gull | dünnschnäblige Möwe (Larus genei) |
| zool. | slender-billed gull | dünnschnäblige Möwe (Larus genei) |
| ornit. | slender-billed gull | Dünnschnabelmöwe (Chroicocephalus genei, Larus genei) |
| gen. | slender-billed gull Larus genei | Dünnschnabelmöwe |
| ornit. | slender-billed inezia | Dünnschnabel-Inezia (Inezia tenuirostris) |
| ornit. | slender-billed kite | Hakenweih (Rostrhamus hamatus) |
| gen. | Slender-billed Kite | Hakenweih |
| ornit. | slender-billed meliphaga | Feenhonigfresser (Meliphaga gracilis) |
| ornit. | slender-billed miner | Dünnschnabel-Erdhacker (Geositta tenuirostris) |
| gen. | Slender-billed Nightingale Thrush | Graukehl-Musendrossel |
| gen. | slender-billed nightingale-thrush Catharus gracilirostris | Graukehl-Musendrossel |
| life.sc., environ. | slender-billed or long-billed curlew | Dünnschnable-Brachvogel (Numenius tenuirostris) |
| ornit. | slender-billed parrakeet | Langschnabelsittich (Enicognathus leptorhynchus) |
| ornit. | slender-billed prion | Belchersturmvogel (Pachyptila belcheri) |
| ornit. | Slender-billed Prion | Dünnschnabel-Sturmvogel |
| ornit. | Slender-billed Red-winged Starling | Zimtflügelstar |
| ornit. | slender-billed scimitar babbler | Dünnsicheltimalie (Xiphirhynchus superciliaris) |
| ornit. | slender-billed scimitar babbler | Sicheltimalie (Xiphirhynchus superciliaris) |
| ornit. | slender-billed scimitar babbler | Dünnschnabelsäbler (Xiphirhynchus) |
| ornit. | slender-billed starling | Zimtflügelstar (Onychognathus tenuirostris) |
| ornit. | slender-billed tyrannulet | Dünnschnabel-Inezia (Inezia tenuirostris) |
| ornit. | Slender-billed Tyrannulet | Dünnschnabeltachuri |
| gen. | slender-billed vulture Gyps tenuirostris | Schmalschnabelgeier |
| ornit. | slender-billed weaver | Mönchsweber (Ploceus pelzelni, Sitagra pelzelni) |
| ornit. | Slender-billed Weaver | Mönchsweberweber |
| nat.res. | slender-billed weaver | Mönchsweber (Ploceus pelzelni, Sitagra pelzelni) |
| ornit. | slender-billed white cockatoo | Nasenkakadu (Cacatua tenuirostris) |
| ornit. | slender-billed white-eye | Dünnschnabel-Brillenvogel (Zosterops tenuirostris) |
| ornit. | slender-billed wren | Schmalschnabel-Zaunkönig (Hylorchilus) |
| ornit. | slender-billed xenops | Streifenschwanz-Steigschnabel (Xenops tenuirostris) |
| ornit. | Slender-billed Xenops | Streifenschwanz-Baumspäher |
| mamm. | slender blackfish | Zwerggrindwal (Feresa attenuata) |
| gen. | slender blackfish | Zwergschwertwal (Feresa attenuata) |
| reptil. | slender blind snakes | Schlankblindschlangen (Leptotyphlopidae) |
| reptil. | slender blind snakes | Engmundschlangen (Leptotyphlopidae) |
| earth.sc. | slender body | schlanker Rumpf |
| ornit. | slender bulbul | Schlankbülbül (Phyllastrephus debilis) |
| construct. | slender column | biegsame Stütze |
| construct. | slender column | biegeweiche Stütze |
| opt. | slender cone of directions | schmaler Richtungskegel |
| reptil. | slender coral snakes | Schlank-Korallenottern (Leptomicrurus) |
| reptil. | slender coral snakes | Korallenschlangen (Leptomicrurus) |
| nat.res. | slender cottongrass | schlankes Wollgras (Eriophorum gracile Koch) |
| ichtyol. | slender croaker | Nigerischer Rabenfisch (Pseudotolithus elongatus) |
| transp. | slender delta | zugespitztes Delta |
| reptil. | slender dhaman | Gelbbäuchige Rattenschlange (Ptyas korros) |
| gen. | slender diet | karge Kost Essen |
| entomol. | slender duck louse | Entenzangenlaus (Anaticola crassicornis) |
| mamm. | slender-faced strepsirhines | Loris (Lorisidae) |
| mamm. | slender falanouc | Kleinfalanuk (Eupleres goudotii) |
| zool. | slender falanouc | Kleinfalanuk (Eupleres goudoti) |
| zool. | slender falanouc | kleine Ameisen-Schleichkatze (Eupleres goudoti) |
| nat.res. | slender false bromegrass | Wald-Zwenke (Brachypodium silvaticum P. Beauv.) |
| bot. | slender falsebrome | Waldzwenke |
| nat.sc., nat.res., agric. | slender fanalouc | Kleinfanaluk (Eupleres goudotii) |
| gen. | slender fare | magere Kost |
| med. | slender fasciculus | Goll-Strang (fasciculus gracilis, fasciculus gracilis medullae spinalis) |
| reptil. | slender-fingered bladder frog | Fünffingeriger Pfeiffrosch (Leptodactylus Pelusios) |
| reptil. | slender-fingered bladder frog | Südamerikanischer Ochsenfrosch (Leptodactylus Pelusios) |
| bot. | slender fingergrass | kahle Fingerhirse |
| nat.sc., agric. | slender-flower thistle | schmalkoepfkige Distel (Carduus tenuiflorus Curt.) |
| ornit. | slender-footed tyrannulet | Schlankfuß-Fliegenstecher (Tyranniscus gracilipes) |
| nat.sc., agric. | slender foxtail | Ackerfuchsschwanz (Alopecurus agrestis, Alopecurus myosuroides) |
| agric. | slender foxtail | Ackerfuchsschwanz |
| construct. | slender framework | Skelett elastisches |
| reptil. | slender glass lizard | Schlanke Glasschleiche (Ophisaurus Atretium) |
| reptil. | slender glass lizards | Panzerschleichen (Ophisaurus) |
| reptil. | slender glass lizards | Glasschleichen (Ophisaurus) |
| ornit. | slender greenbul | Schlankbülbül (Phyllastrephus debilis) |
| entomol. | slender ground hopper | Säbeldornschrecke (Tetrix subulata) |
| entomol. | slender ground hopper | Gemeine Dornschrecke (Tetrix subulata) |
| entomol. | slender ground hopper | Dornschrecke (Tetrix subulata) |
| gen. | Slender Ground-hopper Tetrix subulata | Säbeldornschrecke |
| life.sc., environ. | slender-horned | Afrikanische Dünengazelle (Gazella leptoceros) |
| zool. | slender-horned gazelle | Dünengazelle (Gazella (Gazella) leptoceros) |
| nat.res. | slender-horned gazelle | Duenengazelle (Gazella leptoceros) |
| mamm. | slender-horned gazelle | Dünengazelle (Gazella leptoceros) |
| nat.sc., agric. | slender-leaved sedge | Faden-Segge (Carex filiformis Good., Carex lasiocarpa Ehrh.) |
| ichtyol. | slender long-finned halfbeak | Großflossen-Halbschnäbler (Euleptorhamphus viridis) |
| mamm. | slender loris | Schlank-Lori (Loris tardigradus) |
| zool. | slender loris | Schlanklori (Loris tardigradus) |
| mamm. | slender lorises | Loris (Loris) |
| ichtyol. | slender mola | Schwimmender Kopf (Ranzania laevis) |
| ichtyol. | slender mola | Länglicher Klumpfisch (Ranzania laevis) |
| ichtyol. | slender molas | Längliche Klumpfische (Ranzania) |
| zool. | slender mongoose | rote Manguste (Herpestes (Galerella) sanguineus) |
| zool. | slender mongoose | Schmalichneumon (Herpestes (Galerella) sanguineus) |
| mamm. | slender mongoose | rote Manguste (Herpestes sanguineus) |
| zool. | slender mongoose | Rotichneumon (Herpestes (Galerella) sanguineus) |
| entomol. | slender moths | Schneckenmotten (Phyllocnistidae) |
| entomol. | slender moths | Saftschlürfermotten (Phyllocnistidae) |
| industr., construct., chem. | slender needle | schlanker Plunger |
| industr., construct., chem. | slender needle | dünner Plunger |
| nat.sc., agric. | slender oat | wilder Hafer (Avena barbata Brot., Avena strigosa Schreb. ssp. barbata Thell) |
| entomol. | slender pigeon louse | Taubenfederling |
| gen. | slender pilot whale | Zwergschwertwal |
| mamm. | slender pilot whale | Zwerggrindwal (Feresa attenuata) |
| nat.sc., agric. | slender pondweed | kleines Laichkraut (Potamogeton panormitamus Biv., Potamogeton pusillus L.) |
| reptil. | slender racer | Steignatter (Coluber najadum) |
| reptil. | slender racer | Schlanknatter (Coluber najadum) |
| fish.farm. | slender rainbow sardine | Regenbogen-Rundhering (Dussumieria acuta, Dussumieria productissima) |
| ichtyol. | slender rasbora | Schlankbärbling (Rasbora daniconius) |
| ichtyol. | slender remora | Großer Schiffshalter (Echeneis naucrates) |
| ichtyol. | slender remora | Kopfsauger (Echeneis naucrates) |
| construct. | slender rod | elastischer Stab |
| bot. | slender rush | schlanke Simse |
| bot. | slender rush | zarte Binse |
| nat.res. | slender rush | zarte Binse (Juncus tenuis Willd.) |
| bot. | slender rush | dünne Simse |
| bot. | slender rush | schlanke Binse |
| bot. | slender rush | dünne Binse |
| reptil. | slender salamanders | Wurmsalamander (Batrachoseps) |
| reptil. | slender salamanders | Schleichensalamander (Batrachoseps) |
| entomol. | slender Scotch burnet | Tragant-Zygäne (Zygaena loti) |
| entomol. | slender Scotch burnet | Steppenrasen-Blutströpfchen (Zygaena loti) |
| ornit. | slender sheartail | Scherenschwanzkolibri (Doricha enicura) |
| gen. | Slender Sheartail | Scherenschwanzkolibri |
| reptil. | slender skinks | Schlankskinke (Lygosoma, Riopa) |
| gen. | slender smooth-hound | Schlanker Glatthai |
| ichtyol. | slender snapper | Grüner Schnapper (Aprion virescens) |
| ichtyol. | slender snipefish | Seeschnepfe (Macrorhamphosus scolopax) |
| ichtyol. | slender snipefish | Meerschnepfe (Macrorhamphosus scolopax) |
| ichtyol. | slender snipefish | Schnepfenfisch (Macrorhamphosus scolopax) |
| nat.res., fish.farm. | slender snipefish | Schnepfenfisch (Macrorhamphosus scolopax) |
| life.sc., fish.farm. | slender snipefish | schlanker Schnepfenfisch (Macroramphosus gracilis) |
| nat.sc., agric. | slender speedwell | Faden-Ehrenpreis (Veronica filiformis Sm.) |
| agric. | slender speedwell | Fadenehrenpreis (Veronica filiformis) |
| agric. | slender-spiked sedge | Schlanksegge (Carex acuta, Carex gracilis) |
| nat.sc., agric. | slender spike-rush | Nadel-Sumpfsimse (Eleocharis acicularis Roem. et Schult., Heleocharis acicularis Roem. et Schult.) |
| nat.sc., agric. | slender spike-rush | Nadel-Sumpfried (Eleocharis acicularis Roem. et Schult., Heleocharis acicularis Roem. et Schult.) |
| construct. | slender structures | elastische Konstruktion |
| ichtyol. | slender sucker fish | Großer Schiffshalter (Echeneis naucrates) |
| ichtyol. | slender sucker fish | Kopfsauger (Echeneis naucrates) |
| fish.farm. | slender sunfish | Schwimmender Kopf (Ranzania laevis, Ranzania truncata) |
| fish.farm. | slender sunfish | Stutz-Mondfisch (Ranzania laevis, Ranzania truncata) |
| fish.farm. | slender sunfish | Langer Mondfisch (Ranzania laevis, Ranzania truncata) |
| ornit. | Slender-tailed Cisticola | Schwarschwanz-Cistensänger |
| mamm. | slender-tailed cloud rat | gescheckte Riesenborkenratte (Phloeomys cumingi) |
| mamm. | slender-tailed cloud rats | gescheckte Riesenborkenratten (Phloeomys) |
| zool. | slender-tailed meerkat | Erdmännchen (Suricata suricatta) |
| mamm. | slender-tailed meerkat | Erdmännchen (Suricata suricata) |
| mamm. | slender-tailed meerkat | Surikate (Suricata suricata) |
| zool. | slender-tailed meerkat | Surikate (Suricata suricatta) |
| mamm. | slender-tailed meerkats | Surikaten (Suricata) |
| mamm. | slender-tailed meerkats | Erdmännchen (Suricata) |
| gen. | Slender-tailed Nightjar | Kurzschleppen-Nachtschwalbe |
| mamm. | slender-tailed pouched mouse | kleine Schmalfußbeutelmaus (Sminthopsis murina) |
| ornit. | slender-tailed woodstar | Burmeisterkolibri (Microstilbon burmeisteri) |
| gen. | Slender-tailed Woodstar | Burmeisterkolibri |
| ornit. | slender thornbill | Grunddornschnabel (Acanthiza iredalei) |
| ichtyol. | slender-tooth shark | Schnauzenhai (Eugomphodus taurus) |
| ichtyol. | slender-tooth shark | Stierhai (Eugomphodus taurus) |
| ichtyol. | slender-tooth shark | Sandhai (Eugomphodus taurus) |
| transp., construct. | slender transition | schlanker Uebergang |
| entomol. | slender treble-bar moth | Weißgrauer Kurzbeinspanner (Anaitis plagiata) |
| entomol. | slender treble-bar moth | Johanniskrautspanner (Anaitis plagiata) |
| entomol. | slender treble-bar moth | Grauspanner (Anaitis plagiata) |
| ichtyol. | slender trunkfish | Schwimmender Kopf (Ranzania laevis) |
| ichtyol. | slender trunkfish | Länglicher Klumpfisch (Ranzania laevis) |
| nat.sc., agric. | slender tuna | Schlankthun (Allothunnus fallai) |
| nat.sc., agric. | slender wartcress | zweiknotiger Krähenfuss (Coronopus didymus Sm., Senebiera didyma Pers.) |
| agric. | slender wheat grass | ausläuferlose Quecke |
| reptil. | Sumatran slender skink | Sumatra-Schlangenskink (Lygosoma opisthorhodum) |
| reptil. | Syamese slender skink | Siam-Schlankskink (Lygosoma isodactylum) |
| entomol. | thatch slender | Holländische Eichenminiermotte (Acrocercops brogniardella) |
| entomol. | white-spotted slender | Apfelblattrandmotte (Callisto denticulella) |
| nat.sc., agric. | winged slender thistle | schmalkoepfkige Distel (Carduus tenuiflorus Curt.) |