sensitiveness vs insensitiveness

sensitiveness and insensitiveness both are nouns.

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

sensitiveness (noun)	insensitiveness (noun)
the ability to respond to physical stimuli or to register small physical amounts or differences	the inability to respond to affective changes in your interpersonal environment
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)