apt vs intelligent

apt and intelligent both are adjectives.

Word	Noun	Adjective	Verb	Adverb
apt	No	Yes	No	No
intelligent	No	Yes	No	No

apt (adjective)	intelligent (adjective)
being of striking appropriateness and pertinence	having the capacity for thought and reason especially to a high degree
(usually followed by `to') naturally disposed toward	endowed with the capacity to reason
mentally quick and resourceful	exercising or showing good judgment
at risk of or subject to experiencing something usually unpleasant	possessing sound knowledge