cyclic vs heterocyclic

cyclic is not a noun while heterocyclic is a noun.

Word	Noun	Adjective	Verb	Adverb
cyclic	No	Yes	No	No
heterocyclic	Yes	Yes	No	No

cyclic (noun)	heterocyclic (noun)
	a compound containing a heterocyclic ring

cyclic (adjective)	heterocyclic (adjective)
recurring in cycles	containing a closed ring of atoms of which at least one is not a carbon atom
of a compound having atoms arranged in a ring structure
forming a whorl or having parts arranged in a whorl
conforming to the Carnot cycle
marked by repeated cycles