sensory vs sensation

sensory is not a noun while sensation is a noun.

Word	Noun	Adjective	Verb	Adverb
sensory	No	Yes	No	No
sensation	Yes	No	No	No

sensory (noun)	sensation (noun)
	an unelaborated elementary awareness of stimulation
	the faculty through which the external world is apprehended
	a general feeling of excitement and heightened interest
	someone who is dazzlingly skilled in any field
	a state of widespread public excitement and interest

sensory (adjective)	sensation (adjective)
involving or derived from the senses
relating to or concerned in sensation
of a nerve fiber or impulse originating outside and passing toward the central nervous system