solution vs solve

solution is a noun but solve is not a noun.

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

solution (noun)	solve (noun)
the successful action of solving a problem
a method for solving a problem
a statement that solves a problem or explains how to solve the problem
the set of values that give a true statement when substituted into an equation
a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution

solution (verb)	solve (verb)
	find the solution to (a problem or question) or understand the meaning of
	find the solution
	settle, as of a debt