prayer vs solicitation

prayer and solicitation both are nouns.

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

As nouns, solicitation is a hyponym of prayer; that is, solicitation is a word with a more specific, narrower meaning than prayer:

Other hyponyms of prayer include adjuration, demagoguery, demagogy, plea, supplication, suit, courting, courtship, suit, wooing.

prayer (noun)	solicitation (noun)
the act of communicating with a deity (especially as a petition or in adoration or contrition or thanksgiving)	the act of enticing a person to do something wrong (as an offer of sex in return for money)
earnest or urgent request	an entreaty addressed to someone of superior status
a fixed text used in praying	request for a sum of money
reverent petition to a deity
someone who prays to God