cyclical vs cyclic

cyclical and cyclic both are adjectives.

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

As adjectives, cyclical and cyclic are synonyms defined as:

cyclical (adjective)	cyclic (adjective)
recurring in cycles	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