solicitation vs collection

solicitation and collection both are nouns.

Word	Noun	Adjective	Verb	Adverb
solicitation	Yes	No	No	No
collection	Yes	No	No	No

As nouns, solicitation and collection are synonyms defined as:

Other synonyms of solicitation include appeal, ingathering.

solicitation (noun)	collection (noun)
the act of enticing a person to do something wrong (as an offer of sex in return for money)	the act of gathering something together
an entreaty addressed to someone of superior status	a publication containing a variety of works
request for a sum of money	request for a sum of money
	several things grouped together or considered as a whole