finesse vs tactfulness

finesse and tactfulness both are nouns.

Word	Noun	Adjective	Verb	Adverb
finesse	Yes	No	No	No
tactfulness	Yes	No	No	No

As nouns, tactfulness is a hypernym of finesse; that is, tactfulness is a word with a broader meaning than finesse:

finesse: subtly skillful handling of a situation
tactfulness: consideration in dealing with others and avoiding giving offense

Other hypernyms of finesse include tact.

finesse (noun)	tactfulness (noun)
subtly skillful handling of a situation	consideration in dealing with others and avoiding giving offense
	Behavior or actions characterized by careful consideration in dealing with others, to avoid giving offense.