phenoplast vs synthetic resin

phenoplast and synthetic resin both are nouns.

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

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

phenoplast: a thermosetting resin
synthetic resin: a resin having a polymeric structure; especially a resin in the raw state; used chiefly in plastics

phenoplast (noun)	synthetic resin (noun)
a thermosetting resin	a resin having a polymeric structure; especially a resin in the raw state; used chiefly in plastics