vinyl cyanide vs acrylonitrile

vinyl cyanide and acrylonitrile both are nouns.

Word	Noun	Adjective	Verb	Adverb
vinyl cyanide	Yes	No	No	No
acrylonitrile	Yes	No	No	No

As nouns, vinyl cyanide and acrylonitrile are synonyms defined as:

vinyl cyanide and acrylonitrile: a colorless liquid unsaturated nitrile made from propene

Other synonyms of vinyl cyanide include propenonitrile.

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