doux

billet-doux

A love letter. John was so enamored with the new girl in his class that he wrote a billet-doux and slipped it into her locker after school.

(humorous)

a love letter They've been exchanging billets-doux, but I don't know how serious it is.

Name	Pronounced	Usage
Nooa	NO:-ah	Finnish
Conn	[kɔn]
Darcey	['da:si]
Lina	['li:nə]
Ning	-	Chinese
Biaggio	-	Italian (Rare)