cyanide radical vs cyanide group

cyanide radical and cyanide group both are nouns.

Word	Noun	Adjective	Verb	Adverb
cyanide radical	Yes	No	No	No
cyanide group	Yes	No	No	No

As nouns, cyanide radical and cyanide group are synonyms defined as:

cyanide radical and cyanide group: the monovalent group -CN in a chemical compound

Other synonyms of cyanide radical include cyano group, cyano radical.

cyanide radical (noun)	cyanide group (noun)
the monovalent group -CN in a chemical compound	the monovalent group -CN in a chemical compound