evidence vs clew

evidence and clew both are nouns.

Word	Noun	Adjective	Verb	Adverb
evidence	Yes	No	Yes	No
clew	Yes	No	Yes	No

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

evidence (noun)	clew (noun)
your basis for belief or disbelief; knowledge on which to base belief	evidence that helps to solve a problem
(law) all the means by which any alleged matter of fact whose truth is investigated at judicial trial is established or disproved	a ball of yarn or cord or thread
an indication that makes something evident

evidence (verb)	clew (verb)
provide evidence for; stand as proof of; show by one's behavior, attitude, or external attributes	roll into a ball
provide evidence for
give evidence