| Subject | English | French |
| ichtyol. | egret piper | bécasse (Macrorhamphosus scolopax) |
| ichtyol. | egret piper | bécasse de mer (Macrorhamphosus scolopax) |
| mech.eng. | fuel leak piper | conduite de retour |
| mech.eng. | fuel leak piper | conduite de décharge |
| life.sc. | Piper diagram | diagramme de Piper |
| ichtyol. | piper gurnard | Grondin lyre Trigla lyra |
| nat.res. | piper gurnard | grondin lyre (Trigla lyra) |
| med. | Piper law | loi de Piper |
| med. | Piper obstetric forceps | forceps de Piper |
| med. | Piper paradox | adaptation paradoxale de Piper |