solution vs success

solution and success both are nouns.

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

As nouns, success is a hypernym of solution; that is, success is a word with a broader meaning than solution:

solution (noun)	success (noun)
the successful action of solving a problem	an attainment that is successful
a method for solving a problem	an event that accomplishes its intended purpose
a statement that solves a problem or explains how to solve the problem	a person with a record of successes
the set of values that give a true statement when substituted into an equation	a state of prosperity or fame
a homogeneous mixture of two or more substances; frequently (but not necessarily) a liquid solution