defend vs withstand

defend and withstand both are verbs.

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

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

defend (verb)	withstand (verb)
argue or speak in defense of	stand up or offer resistance to somebody or something
state or assert	resist or confront with resistance
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