cyanide group vs cyanide radical

cyanide group and cyanide radical both are nouns.

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

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

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

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

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