cutis vs cuticle

cutis and cuticle both are nouns.

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

As nouns, cuticle is a hyponym of cutis; that is, cuticle is a word with a more specific, narrower meaning than cutis:

cutis (noun)	cuticle (noun)
a natural protective body covering and site of the sense of touch	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