skepticism vs dubiety

skepticism and dubiety both are nouns.

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

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

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

skepticism (noun)	dubiety (noun)
doubt about the truth of something	the state of being unsure of something
the disbelief in any claims of ultimate knowledge