cyanide group vs cyano radical

cyanide group and cyano radical both are nouns.

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

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

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

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

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