sensitive vs sensitiveness

sensitive and sensitiveness both are nouns.

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

sensitive (noun)	sensitiveness (noun)
someone who serves as an intermediary between the living and the dead	the ability to respond to physical stimuli or to register small physical amounts or differences
	the ability to respond to affective changes in your interpersonal environment
	(physiology) responsiveness to external stimuli; the faculty of sensation
	sensitivity to emotional feelings (of self and others)

sensitive (adjective)	sensitiveness (adjective)
responsive to physical stimuli
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