suspicion vs misgiving

suspicion and misgiving both are nouns.

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

As nouns, suspicion and misgiving are synonyms defined as:

Other synonyms of suspicion include distrust, mistrust.

suspicion (noun)	misgiving (noun)
being of a suspicious nature	doubt about someone's honesty
doubt about someone's honesty	painful expectation
an impression that something might be the case	uneasiness about the fitness of an action (particularly for reasons of ethics, morals or propriety)
the state of being suspected