depart vs drop out

depart and drop out both are verbs.

Word	Noun	Adjective	Verb	Adverb
depart	No	No	Yes	No
drop out	No	No	Yes	No

As verbs, drop out is a hyponym of depart; that is, drop out is a word with a more specific, narrower meaning than depart:

Other hyponyms of depart include leave office, quit, resign, step down.

depart (verb)	drop out (verb)
go away or leave	give up in the face of defeat of lacking hope; admit defeat
depart for someplace	leave school or an educational program prematurely
wander from a direct or straight course	withdraw from established society, especially because of disillusion with conventional values
move away from a place into another direction
remove oneself from an association with or participation in
be at variance with; be out of line with