problem solver vs thinker

problem solver and thinker both are nouns.

Word	Noun	Adjective	Verb	Adverb
problem solver	Yes	No	No	No
thinker	Yes	No	No	No

As nouns, thinker is a hypernym of problem solver; that is, thinker is a word with a broader meaning than problem solver:

problem solver: a thinker who focuses on the problem as stated and tries to synthesize information and knowledge to achieve a solution
thinker: someone who exercises the mind (usually in an effort to reach a decision)

problem solver (noun)	thinker (noun)
a thinker who focuses on the problem as stated and tries to synthesize information and knowledge to achieve a solution	an important intellectual
	someone who exercises the mind (usually in an effort to reach a decision)