| Subject | English | Irish |
| life.sc., fish.farm. | devil anglerfish | láimhíneach na rinne (Lophius vomerinus, Lophius upsicephalus) |
| fish.farm. | devil rays | roc na caille (Mobulidae) |
| transp., nautic., mater.sc. | devil's claw | stopadóir crúcach |
| nat.res. | devil's root | péóité (Anhalonium williamsii, Echinocactus lewinii, Lophophora williamsii) |
| life.sc., fish.farm. | sand devils | bráithre (Squatinidae) |