unquestionable vs genuine

unquestionable and genuine both are adjectives.

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

unquestionable (adjective)	genuine (adjective)
incapable of being questioned	not fake or counterfeit
not counterfeit or copied	not pretended; sincerely felt or expressed
not open to question	being or reflecting the essential or genuine character of something