mistrust vs misgiving

mistrust and misgiving both are nouns.

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

As nouns, mistrust and misgiving are synonyms defined as:

Other synonyms of mistrust include distrust, suspicion.

mistrust (noun)	misgiving (noun)
the trait of not trusting others	doubt about someone's honesty
doubt about someone's honesty	painful expectation
	uneasiness about the fitness of an action (particularly for reasons of ethics, morals or propriety)

mistrust (verb)	misgiving (verb)
regard as untrustworthy; regard with suspicion; have no faith or confidence in