blazer vs sports coat

blazer and sports coat both are nouns.

Word	Noun	Adjective	Verb	Adverb
blazer	Yes	No	No	No
sports coat	Yes	No	No	No

As nouns, blazer and sports coat are synonyms defined as:

blazer and sports coat: lightweight single-breasted jacket; often striped in the colors of a club or school

Other synonyms of blazer include sport coat, sport jacket, sports jacket.

blazer (noun)	sports coat (noun)
lightweight single-breasted jacket; often striped in the colors of a club or school	lightweight single-breasted jacket; often striped in the colors of a club or school