itching vs cutaneous sensation

itching and cutaneous sensation both are nouns.

Word	Noun	Adjective	Verb	Adverb
itching	Yes	No	No	No
cutaneous sensation	Yes	No	No	No

As nouns, cutaneous sensation is a hypernym of itching; that is, cutaneous sensation is a word with a broader meaning than itching:

itching: an irritating cutaneous sensation that produces a desire to scratch
cutaneous sensation: a sensation localized on the skin

Other hypernyms of itching include haptic sensation, skin sensation.

itching (noun)	cutaneous sensation (noun)
an irritating cutaneous sensation that produces a desire to scratch	a sensation localized on the skin