| Subject | French | English |
| comp., MS | attaque par ruse | luring attack (An attack in which the client is lured to voluntarily connect to the attacker) |
| zool. | bassari ruse | cacomistle (Bassariscus astutus) |
| zool. | bassari ruse | ringtail (Bassariscus astutus) |
| gen. | il va falloir ruser | we'll have to be clever! |
| gen. | ruser avec | get round something by using cunning (quelque chose) |
| gen. | ruser avec | outsmart somebody (quelqu'un) |
| econ. | région de Ruse | Ruse region |
| law | vol par ruse | theft by trickery |