amass vs collect

amass is not a noun while collect is a noun.

Word	Noun	Adjective	Verb	Adverb
amass	No	No	Yes	No
collect	Yes	Yes	Yes	Yes

As verbs, amass and collect are synonyms defined as:

Other synonyms of amass include accumulate, compile, hoard, pile up, roll up.

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

Other hyponyms of amass include run up, corral, pull in, come up, scrape, scrape up, scratch, chunk, lump, bale, catch, fund, fund.

amass (noun)	collect (noun)
	a short prayer generally preceding the lesson in the Church of Rome or the Church of England

amass (adjective)	collect (adjective)
	payable by the recipient on delivery

amass (verb)	collect (verb)
increase in amount by collecting or gathering	assemble or get together
get or gather together	get or bring together
	get or gather together
	call for and obtain payment of
	gather or collect

amass (adverb)	collect (adverb)
	make a telephone call or mail a package so that the recipient pays