collection vs solicitation

collection and solicitation both are nouns.

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

As nouns, collection and solicitation are synonyms defined as:

Other synonyms of collection include appeal, ingathering.

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