acrylonitrile vs nitrile

acrylonitrile and nitrile both are nouns.

Word	Noun	Adjective	Verb	Adverb
acrylonitrile	Yes	No	No	No
nitrile	Yes	No	No	No

As nouns, nitrile is a hypernym of acrylonitrile; that is, nitrile is a word with a broader meaning than acrylonitrile:

acrylonitrile: a colorless liquid unsaturated nitrile made from propene
nitrile: any of a class of organic compounds containing the cyano radical -CN

Other hypernyms of acrylonitrile include cyanide, nitril.

acrylonitrile (noun)	nitrile (noun)
a colorless liquid unsaturated nitrile made from propene	any of a class of organic compounds containing the cyano radical -CN