polystyrene vs cinnamene

polystyrene and cinnamene both are nouns.

Word	Noun	Adjective	Verb	Adverb
polystyrene	Yes	No	No	No
cinnamene	Yes	No	No	No

As nouns, cinnamene is a hypernym of polystyrene; that is, cinnamene is a word with a broader meaning than polystyrene:

Other hypernyms of polystyrene include phenylethylene, styrene, vinylbenzene.

polystyrene (noun)	cinnamene (noun)
a polymer of styrene; a rigid transparent thermoplastic	a colorless oily liquid; the monomer for polystyrene