Carnot cycle vs cyclic

Carnot cycle is a noun but cyclic is not a noun.

Word	Noun	Adjective	Verb	Adverb
Carnot cycle	Yes	No	No	No
cyclic	No	Yes	No	No

Carnot cycle (noun)	cyclic (noun)
a cycle (of expansion and compression) of an idealized reversible heat engine that does work without loss of heat

Carnot cycle (adjective)	cyclic (adjective)
	recurring in cycles
	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