cyanide group vs cyano group

cyanide group and cyano group both are nouns.

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

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

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

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

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