long suit

nouns

in a hand, the suit having the most cards
long suit
is a part of
the cards held in a card game by a given player at any given time
"I didn't hold a good hand all evening"; "he kept trying to see my hand"
deal, hand
is a type of (narrower)
several things grouped together or considered as a whole
accumulation, aggregation, assemblage, collection
an asset of special worth or utility
"cooking is his forte"
forte, long suit, metier, speciality, specialty, strength, strong point, strong suit