saran vs thermoplastic resin

saran and thermoplastic resin both are nouns.

Word	Noun	Adjective	Verb	Adverb
saran	Yes	No	No	No
thermoplastic resin	Yes	No	No	No

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

saran: any of various thermoplastic resins used to make things
thermoplastic resin: a material that softens when heated and hardens again when cooled

Other hypernyms of saran include thermoplastic.

saran (noun)	thermoplastic resin (noun)
any of various thermoplastic resins used to make things	a material that softens when heated and hardens again when cooled