kind (adjective) – gentil (m)/gentille (f)/ gentils, gentilles (plural)
(Pronounced zhon-tee or zhon-tee-yah)
To remember that kind is pronounced zhon-tee (gentil) or zhon-tee-yah (gentille) in French, use the following mnemonic.
The kind doctor shone a light on the tea (gentil) cup.

Examples of gentil/gentille/gentils/gentilles (kind) in a sentence
Ils sont gentils avec moi.
(He is kind to me.)
C'est gentil de m'appeler.
(It’s kind of you to call.)
Sois gentille et aide ton frère, s'il te plaît.
(Be kind and help your brother, please.)