| Subject | English | French |
| comp., MS | CAPS LOCK key | touche Verr. maj (A toggle key that, when on, shifts the alphabetic characters on the keyboard to uppercase) |
| IT | cover lock key | clé de verrou de sécurité |
| transp., mech.eng. | lock key | clé de serrure |
| construct. | lock key | clef |
| construct. | lock key | clé |
| telecom. | locking key | touche de blocage |
| construct. | locking key, folding wedges | clavette |
| construct. | locking key, folding wedges | angrois |
| IT, dat.proc. | NUM-LOCK key | touche de verrouillage numérique |
| IT, dat.proc. | number lock key | touche de verrouillage numérique |
| IT, dat.proc. | scroll-lock key | touche de verrouillage du défilement |