| Subject | English | French |
| transp., met., construct. | frog-point | coeur d'aiguillage |
| transp., met., construct. | frog-point | coeur d'aiguille |
| transp., met., construct. | frog-point | coeurs de croisement |
| transp., met., construct. | frog-point | point de coeur |
| transp., met., construct. | frog-point | coeur de croisement |
| transp., met., construct. | frog-point | pointe de coeur |
| transp., construct. | movable point frog | coeur mobile |
| transp. | moveable point frog | traversée à coeur mobile |
| transp. | moveable point frog | croisement à coeur mobile |
| transp., met., construct. | point frog | coeur d'aiguille |
| transp., met., construct. | point frog | coeurs de croisement |
| transp., met., construct. | point frog | point de coeur |
| transp., met., construct. | point frog | coeur de croisement |
| transp., met., construct. | point frog | coeur d'aiguillage |
| transp., met., construct. | point frog | pointe de coeur |
| gen. | point frogs | coeurs de croisement |