suspicion vs hunch

suspicion and hunch both are nouns.

Word	Noun	Adjective	Verb	Adverb
suspicion	Yes	No	No	No
hunch	Yes	No	Yes	No

As nouns, suspicion and hunch are synonyms defined as:

Other synonyms of suspicion include intuition.

suspicion (noun)	hunch (noun)
being of a suspicious nature	the act of bending yourself into a humped position
doubt about someone's honesty	an impression that something might be the case
an impression that something might be the case
the state of being suspected

suspicion (verb)	hunch (verb)
	round one's back by bending forward and drawing the shoulders forward