strong suit vs strong point

strong suit and strong point both are nouns.

Word	Noun	Adjective	Verb	Adverb
strong suit	Yes	No	No	No
strong point	Yes	No	No	No

As nouns, strong suit and strong point are synonyms defined as:

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

strong suit (noun)	strong point (noun)
an asset of special worth or utility	an asset of special worth or utility
a long suit including high cards