| Subject | Portuguese | English |
| nat.res., fish.farm. | lavagante americano | American lobster (Homarus americanus) |
| fish.farm. | lavagante americano | northern lobster (Homarus americanus) |
| fish.farm. | lavagante-americano | lobster (Homarus americanus, Homarus gammarus, Homarus spp.) |
| nat.sc., agric. | lavagante-americano | American lobster (Homarus americanus) |