purvey vs offer

purvey is not a noun while offer is a noun.

Word	Noun	Adjective	Verb	Adverb
purvey	No	No	Yes	No
offer	Yes	No	Yes	No

As verbs, offer is a hypernym of purvey; that is, offer is a word with a broader meaning than purvey:

Other hypernyms of purvey include furnish, provide, render, supply.

purvey (noun)	offer (noun)
	a usually brief attempt
	something offered (as a proposal or bid)
	the verbal act of offering

purvey (verb)	offer (verb)
supply with provisions	put forward for consideration
	threaten to do something
	ask (someone) to marry you
	produce or introduce on the stage
	present for acceptance or rejection
	propose a payment
	give something useful or necessary to
	make available for sale
	offer verbally
	make available; provide
	agree freely
	mount or put up
	present as an act of worship