long suit vs forte

long suit and forte both are nouns.

Word	Noun	Adjective	Verb	Adverb
long suit	Yes	No	No	No
forte	Yes	Yes	No	Yes

As nouns, long suit and forte are synonyms defined as:

Other synonyms of long suit include metier, speciality, specialty, strength, strong point, strong suit.

long suit (noun)	forte (noun)
an asset of special worth or utility	the stronger part of a sword blade between the hilt and the foible
in a hand, the suit having the most cards	an asset of special worth or utility
	a musical composition or musical passage to be performed loudly

long suit (adjective)	forte (adjective)
	(used chiefly as a direction or description in music) indicating that said piece or segment should be played loudly

long suit (adverb)	forte (adverb)
	used as a direction in music; to be played relatively loudly