propenonitrile vs nitril

propenonitrile and nitril both are nouns.

Word	Noun	Adjective	Verb	Adverb
propenonitrile	Yes	No	No	No
nitril	Yes	No	No	No

As nouns, nitril is a hypernym of propenonitrile; that is, nitril is a word with a broader meaning than propenonitrile:

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

Other hypernyms of propenonitrile include cyanide, nitrile.

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