alkyd vs synthetic resin

alkyd and synthetic resin both are nouns.

Word	Noun	Adjective	Verb	Adverb
alkyd	Yes	No	No	No
synthetic resin	Yes	No	No	No

As nouns, synthetic resin is a hypernym of alkyd; that is, synthetic resin is a word with a broader meaning than alkyd:

alkyd: a durable synthetic resin widely used in adhesives and paints
synthetic resin: a resin having a polymeric structure; especially a resin in the raw state; used chiefly in plastics

alkyd (noun)	synthetic resin (noun)
a durable synthetic resin widely used in adhesives and paints	a resin having a polymeric structure; especially a resin in the raw state; used chiefly in plastics