suspicion vs dubiety

suspicion and dubiety both are nouns.

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

As nouns, dubiety is a hypernym of suspicion; that is, dubiety is a word with a broader meaning than suspicion:

Other hypernyms of suspicion include doubt, doubtfulness, dubiousness, incertitude, uncertainty.

suspicion (noun)	dubiety (noun)
being of a suspicious nature	the state of being unsure of something
doubt about someone's honesty
an impression that something might be the case
the state of being suspected