acrylonitrile vs propenonitrile

acrylonitrile and propenonitrile both are nouns.

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

As nouns, acrylonitrile and propenonitrile are synonyms defined as:

acrylonitrile and propenonitrile: a colorless liquid unsaturated nitrile made from propene

Other synonyms of acrylonitrile include vinyl cyanide.

acrylonitrile (noun)	propenonitrile (noun)
a colorless liquid unsaturated nitrile made from propene	a colorless liquid unsaturated nitrile made from propene