insensitive vs sensitive

insensitive is not a noun while sensitive is a noun.

Word	Noun	Adjective	Verb	Adverb
insensitive	No	Yes	No	No
sensitive	Yes	Yes	No	No

insensitive (noun)	sensitive (noun)
	someone who serves as an intermediary between the living and the dead

insensitive (adjective)	sensitive (adjective)
not responsive to physical stimuli	responsive to physical stimuli
deficient in human sensibility; not mentally or morally sensitive	being susceptible to the attitudes, feelings, or circumstances of others
	able to feel or perceive
	of or pertaining to classified information or matters affecting national security
	hurting