cyclonal vs cyclone

cyclonal is not a noun while cyclone is a noun.

Word	Noun	Adjective	Verb	Adverb
cyclonal	No	Yes	No	No
cyclone	Yes	No	No	No

cyclonal (noun)	cyclone (noun)
	a violent rotating windstorm
	(meteorology) rapid inward circulation of air masses about a low pressure center; circling counterclockwise in the Northern Hemisphere and clockwise in the southern

cyclonal (adjective)	cyclone (adjective)
of or relating to or characteristic of a violent tropical storm
of or relating to or characteristic of the atmosphere around a low pressure center