Finesse vs Decorum - What's the difference?

As nouns the difference between finesse and decorum

is that finesse is finesse while decorum is decorum.

(uncountable) The property of having grace, elegance, skill, or balance.

(uncountable) Skill in handling of a situation.

(countable) An adroit maneuver.

(countable, bridge) A technique which allows one to promote tricks based on a favorable position of one or more cards in the hands of the opponent.

(finess)

(ambitransitive, card games) To play (a card) as a finesse (see noun sense above).

To handle or manage carefully or skillfully.

To evade.

(uncountable) Appropriate social behavior; propriety

* 2010 — , This Isn't What It Looks Like , ch. 4

It was sort of a finishing school. You know, to teach proper social decorum and so on and so forth.

(countable) A convention of social behavior