endorse vs defend

endorse and defend both are verbs.

Word	Noun	Adjective	Verb	Adverb
endorse	No	No	Yes	No
defend	No	No	Yes	No

As verbs, defend is a hyponym of endorse; that is, defend is a word with a more specific, narrower meaning than endorse:

Other hyponyms of endorse include guarantee, warrant, champion.

endorse (verb)	defend (verb)
sign as evidence of legal transfer	argue or speak in defense of
be behind; approve of	state or assert
guarantee as meeting a certain standard	be on the defensive; act against an attack
give support or one's approval to	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