defend vs protect

defend and protect both are verbs.

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

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

Other hyponyms of defend include bulwark, ward off, arrest, check, contain, hold back, stop, turn back.

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

defend (verb)	protect (verb)
argue or speak in defense of	shield from danger, injury, destruction, or damage
state or assert	use tariffs to favor domestic industry
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