stick up vs defend

stick up and defend both are verbs.

Word	Noun	Adjective	Verb	Adverb
stick up	No	No	Yes	No
defend	No	No	Yes	No

As verbs, defend is a hypernym of stick up; that is, defend is a word with a broader meaning than stick up:

Other hypernyms of stick up include fend for, support.

stick up (verb)	defend (verb)
defend against attack or criticism	argue or speak in defense of
rob at gunpoint or by means of some other threat	state or assert
	be on the defensive; act against an attack
	protect against a challenge or attack
	protect or fight for as a champion
	fight against or resist strongly
	be the defense counsel for someone in a trial