cuticle vs cuticular

cuticle is a noun but cuticular is not a noun.

Word	Noun	Adjective	Verb	Adverb
cuticle	Yes	No	No	No
cuticular	No	Yes	No	No

cuticle (noun)	cuticular (noun)
hard outer covering or case of certain organisms such as arthropods and turtles
the outer layer of the skin covering the exterior body surface of vertebrates
the dead skin at the base of a fingernail or toenail

cuticle (adjective)	cuticular (adjective)
	of or relating to a cuticle or cuticula