specialism vs speciality

specialism and speciality both are nouns.

Word	Noun	Adjective	Verb	Adverb
specialism	Yes	No	No	No
speciality	Yes	No	No	No

As nouns, specialism and speciality are synonyms defined as:

specialism and speciality: the special line of work you have adopted as your career

Other synonyms of specialism include specialisation, specialization, specialty.

specialism (noun)	speciality (noun)
the special line of work you have adopted as your career	the special line of work you have adopted as your career
the concentration of your efforts on a particular field of study or occupation	a distinguishing trait
	an asset of special worth or utility