| Subject | English | Portuguese |
| nat.sc., agric. | Italian pear scale | cochonilha-vermelha-da-pereira (Diaspis leperii) |
| agric. | pear crusher | esmagador de peras |
| food.ind. | pear in syrup | pera conservada em calda |
| food.ind. | pear juice | sumo de pera |
| nat.sc., agric. | pear mealybug | piolho-branco (Pseudococcus bakeri, Pseudococcus capensis, Pseudococcus latipes, Pseudococcus maritimus) |
| nat.sc., agric. | pear mealybug | piolho-branco-da-batatinha (Pseudococcus bakeri, Pseudococcus capensis, Pseudococcus latipes, Pseudococcus maritimus) |
| nat.res., agric. | pear sawfly | lagarta-babosa (Caliroa cerasi) |
| med. | pear-shaped bladder | bexiga piriforme |
| industr., construct. | pear-shaped drop | amêndoa |
| chem. | pear-shaped flask | balão piriforme |
| chem. | pear shaped flask | balão piriforme |
| nat.sc., agric. | pear-shaped guava | pereira-goiabeira (Psidium guajava var. pyriferum) |
| nat.sc., agric. | pear-shaped guava | goiabeira-branca (Psidium guajava var. pyriferum) |
| chem. | pear-shaped separating funnel | ampola de separação em forma de pera |
| chem. | pear-shaped separating funnel | ampola de decantação piriforme |
| med. | pear-shaped syringe | seringa piriforme |
| med. | pear-shaped thorax | tórax em funil |
| med. | pear-shaped thorax | tórax piriforme |
| med. | pear-shaped thymus | timo em campainha |
| agric. | pear spirit | aguardente de peras |
| agric. | pear tree | madeira de pereira (Pyrus communis) |
| agric. | pear-tree | madeira de pereira (Pyrus communis) |
| agric. | pear-tree | pereira (Pyrus communis) |
| agric. | pear tree | pereira (Pyrus communis) |
| agric. | prickly pear cactus | figueira-do-inferno (Opuntia ficus-indica, opuntia monocartha) |
| agric. | prickly pear cactus | tabaibeira (Opuntia ficus-indica, opuntia monocartha) |
| agric. | prickly pear cactus | tabaibo (Opuntia ficus-indica, opuntia monocartha) |
| agric. | prickly pear cactus | figueira-de-pita (Opuntia ficus-indica, opuntia monocartha) |
| agric. | prickly pear cactus | figueira-babosa (Opuntia ficus-indica, opuntia monocartha) |
| agric. | prickly pear cactus | figueira-da-índia (Opuntia ficus-indica, opuntia monocartha) |
| agric. | prickly pear cactus | tabaio (Opuntia ficus-indica, opuntia monocartha) |