| Subject | English | German |
| chem. | arsenic ruby | Rauschrot |
| chem. | arsenic ruby | Rubinrot |
| chem. | arsenic ruby | Rausch rot |
| chem. | arsenic ruby | Realgar (As4S4) |
| chem. | arsenic ruby | Arsendisulfid (As4S4) |
| met. | balas-ruby | roter Spinell |
| met. | balas-ruby | Rubinbalais |
| ichtyol. | black ruby barb | Purpurkopfbarbe (Barbus nigrofasciatus) |
| ornit. | Brazilian ruby | Rubinkolibri (Clytolaema) |
| opt. | continuous ruby laser | kontinuierlicher Rubinlaser |
| industr., construct., chem. | copper ruby | Kupferrubinglas |
| industr., construct., chem. | copper ruby glass | Kupferrubinglas |
| mining. | dark ruby silver | dunkles Rotgültig |
| mining. | dark ruby silver | Pyrargyrit |
| mining. | dark ruby silver | dunkles Rotgültigerz |
| mining. | dark ruby silver | Antimonsilberblende |
| industr., construct., met. | flash ruby struck by reheating | Anlaufrubinglas |
| construct. | gold ruby | Goldrubm |
| mining. | light ruby silver | lichtes Rotgültigerz |
| mining. | light ruby silver | Arsensilberblende |
| mining. | light ruby silver | lichtes Rotgültig |
| mining. | light ruby silver | Proustit |
| chem. | light ruby silver ore | lichtes Rotgültigerz (min.) |
| chem. | light ruby silver ore | Proustit (min.) |
| mining. | oriental ruby | orientalischer Rubin |
| coal., chem. | Oriental ruby | Rubin |
| mining. | oriental ruby | echter Rubin |
| industr., construct., met. | pot ruby | hafenfertiges Rubinglas |
| opt. | pulsed ruby laser | Rubinimpulslaser |
| opt. | pulsed ruby laser | Impulsrubinlaser |
| opt. | pump a ruby rod | einen Rubinstab aktivieren |
| med.appl. | ruby abrasive point | Rubinschleifspitze |
| chem. | ruby arsenic | As2S2 |
| chem. | ruby arsenic | kuenstliches Arsendisulfid |
| chem. | ruby arsenic | rauschrot |
| chem. | ruby arsenic | Arsenblende |
| chem. | ruby arsenic | Arsenrubin |
| chem. | ruby arsenic | Arsensulfid |
| chem. | ruby arsenic | rubinrot |
| chem. | ruby arsenic | Arsendisulfid |
| mining. | ruby arsenic | Realgar |
| mining. | ruby arsenic | rote Arsenblende |
| chem. | ruby arsenic | rotes Arsenglas |
| chem. | ruby arsenic | Sandarach |
| chem. | ruby arsenic | kuenstlicher Realgar |
| gen. | ruby barb | Purpurkopfbarbe Barbus nigrofasciatus |
| mining. | ruby blende | Zinkblende |
| mining. | ruby blende | Sphalerit |
| opt. | ruby boule | Rubinbirne |
| gen. | Ruby-cheeked Sunbird | Rubinwangen-Nektarvogel |
| ornit. | ruby-cheeked sunbird | Rubinwangen-Nektarvogel (Anthreptes singalensis) |
| ornit. | ruby-cheeked sunbird | Glanzbürzel-Nektarvogel (Anthreptes singalensis) |
| gen. | ruby coloured | weinrot |
| brit. | ruby-coloured | weinrot |
| ichtyol. | ruby-coloured snapper fish | Rubinroter Schnapper (Etelis carbunculus) |
| mining. | ruby copper | Kuprit (ore) |
| mining. | ruby copper | Cuprit (ore) |
| mining. | ruby copper | Rotkupfererz (ore) |
| mineral. | ruby copper ore | Kuprit |
| mineral. | ruby copper ore | Rotkupfererz |
| ornit. | ruby-crowned kinglet | Rubingoldhähnchen (Regulus calendula) |
| gen. | Ruby-crowned Tanager | Krontangare |
| ornit. | ruby-crowned tanager | Krontangare (Tachyphonus coronatus) |
| gen. | ruby glass | Rubinglas |
| med. | ruby instrument | Rubininstrument |
| tech. | ruby laser | Rubinlaser |
| mining. | ruby mica | Nadeleisenerz |
| mining. | ruby mica | Goethit |
| mining. | ruby mica | Rubinglimmer |
| gen. | ruby-nosed tetra | Rotmaulsalmler Hemigrammus rhodostomus |
| mining. | ruby of arsenic | rote Arsenblende (sulphur) |
| mining. | ruby of arsenic | Rauschrot (sulphur) |
| mining. | ruby of arsenic | Realgar (sulphur) |
| opt. | ruby optical maser | optischer Rubinmaser |
| opt. | ruby optical maser | Rubinlaser |
| gen. | ruby pin | Hebelstein |
| opt. | ruby ranging laser | Rubinlaser für Entfernungsmessung |
| opt. | ruby rod | Rubinstab |
| opt. | ruby rod laser | Rubinstablaser |
| mining. | ruby sand | goldführender Seifensand (mit Granit) |
| met. | ruby silver | Pyrargyrit |
| gen. | ruby silver ore | Rotgültigerz |
| ichtyol. | ruby snapper | Rubinroter Schnapper (Etelis carbunculus) |
| met. | ruby spinel | Balasrubin |
| mining. | ruby spinel | dunkelroter Spinell |
| mining. | ruby spinel | Rubinspinell |
| med. | ruby spots | Leser-Trelatsches Zeichen |
| mining. | ruby sulphur | Rauschrot |
| mining. | ruby sulphur | rote Arsenblende |
| mining. | ruby sulphur | Realgar |
| entomol. | ruby-tailed wasps | Goldwespen (Chrysididae) |
| gen. | ruby-throated hummingbird Archilochus colubris | Rubinkehlkolibri |
| gen. | Ruby-throated Hummingbird | Rubinkolibri |
| ornit. | ruby-throated hummingbird | Rubinkehlkolibri (Archilochus colubris) |
| entomol. | ruby tiger | Zimtbär (Phragmatobia fuliginosa) |
| entomol. | ruby tiger | Rostbär (Phragmatobia fuliginosa) |
| gen. | ruby tiger moth, Phragmatobia fuliginosa | Rostbär Falter |
| entomol. | ruby tiger moth | Zimtbär (Phragmatobia fuliginosa) |
| entomol. | ruby tiger moth | Rostbär (Phragmatobia fuliginosa) |
| mining. | ruby tin | rotes Zinnerz |
| mining. | ruby tin | roter Kassiterit |
| mining. | ruby tin | roter Zinnstein |
| ornit. | ruby-topaz hummingbird | Moskitokolibri (Chrysolampis mosquitus) |
| gen. | Ruby-Topaz Hummingbird | Moskitokolibri |
| ornit. | ruby-topaz hummingbird | Moskitokolibri (Chrysolampis) |
| agric. | ruby wasp | Goldwespen |
| construct. | selenium ruby | Selenrot |
| industr., construct., chem. | selenium ruby glass | Selenrubinglas |
| mining. | Siberian ruby | roter Turmalin |
| mining. | Siberian ruby | violettroter Turmalin |
| mining. | Siberian ruby | Siberit |
| met. | silver ruby | Pyrargyrit |
| coal., chem. | true ruby | Rubin |
| mining. | unripe ruby | roter Zirkon |
| mining. | verifier ruby | orangeroter Korund |
| opt. | Verneuil-grown ruby | nach dem Verneuil-Verfahren gezüchteter Rubin |
| ichtyol. | yellow-striped ruby snapper | Rubinroter Schnapper (Etelis carbunculus) |