solve vs resolve

solve is not a noun while resolve is a noun.

Word	Noun	Adjective	Verb	Adverb
solve	No	No	Yes	No
resolve	Yes	No	Yes	No

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

solve: find the solution to (a problem or question) or understand the meaning of
resolve: understand the meaning of

Other hyponyms of solve include answer, riddle, strike, guess, infer, answer, break.

As verbs, solve and resolve are synonyms defined as:

solve (noun)	resolve (noun)
	the trait of being resolute
	a formal expression by a meeting; agreed to by a vote

solve (verb)	resolve (verb)
find the solution to (a problem or question) or understand the meaning of	cause to go into a solution
find the solution	bring to an end; settle conclusively
settle, as of a debt	reach a decision
	find the solution
	understand the meaning of
	reach a conclusion after a discussion or deliberation
	make clearly visible