undeniable vs unquestionable

undeniable and unquestionable both are adjectives.

Word	Noun	Adjective	Verb	Adverb
undeniable	No	Yes	No	No
unquestionable	No	Yes	No	No

undeniable (adjective)	unquestionable (adjective)
not possible to deny	incapable of being questioned
	not counterfeit or copied
	not open to question