doubt vs mistrust

doubt and mistrust both are nouns.

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

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

As verbs, mistrust is a hypernym of doubt; that is, mistrust is a word with a broader meaning than doubt:

doubt: lack confidence in
mistrust: regard as untrustworthy; regard with suspicion; have no faith or confidence in

Other hypernyms of doubt include distrust, suspect.

doubt (noun)	mistrust (noun)
uncertainty about the truth or factuality or existence of something	the trait of not trusting others
the state of being unsure of something	doubt about someone's honesty

doubt (verb)	mistrust (verb)
consider unlikely	regard as untrustworthy; regard with suspicion; have no faith or confidence in
lack confidence in