| Subject | English | French |
| comp., MS | Fly In | Rentrer |
| comp., MS | Fly In | Sortir |
| gen. | fly in circles | décrire des cercles dans le ciel |
| comp., MS | Fly In, Fades | Rentrer (A title animation in Windows Movie Maker) |
| comp., MS | Fly In, Fades | fondus (A title animation in Windows Movie Maker) |
| comp., MS | Fly In, Left and Right | Rentrer, gauche et droite (A credit or title animation in Windows Movie Maker) |
| gen. | fly in the face of a principle | offenser un principe |
| comp., MS | Fly In, Top Left | Rentrer, haut gauche (A title animation in Windows Movie Maker) |
| avia., Canada | fly-in | rassemblement d’aéronefs |
| health., nat.res. | Management Committee COST 811 - Improvement of Means of Control of Warble-Fly in Cattle and Goats | Comité de gestion Cost 811 "Amélioration des moyens de contrôle de l'hypodermose bovine et caprine" |
| fig. | there's a fly in the ointment | il y a une ombre au tableau |