Main entry: specialisation, specialism, speciality, specialization, specialty
Definition: the special line of work you have adopted as your career
Usage: his specialization is gastroenterology
Main entry: speciality, specialness, specialty, distinctiveness, peculiarity
Definition: a distinguishing trait
Main entry: long suit, metier, strength, strong point, strong suit, forte, speciality, specialty
Definition: an asset of special worth or utility
Usage: cooking is his forte