plunk for vs defend

plunk for and defend both are verbs.

Word	Noun	Adjective	Verb	Adverb
plunk for	No	No	Yes	No
defend	No	No	Yes	No

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

Other hyponyms of plunk for include guarantee, warrant, champion.

plunk for (verb)	defend (verb)
be behind; approve of	argue or speak in defense of
	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