sensitiveness vs feeling

sensitiveness and feeling both are nouns.

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

As nouns, feeling is a hypernym of sensitiveness; that is, feeling is a word with a broader meaning than sensitiveness:

sensitiveness (noun)	feeling (noun)
the ability to respond to physical stimuli or to register small physical amounts or differences	the experiencing of affective and emotional states
the ability to respond to affective changes in your interpersonal environment	an intuitive understanding of something
(physiology) responsiveness to external stimuli; the faculty of sensation	a physical sensation that you experience
sensitivity to emotional feelings (of self and others)	the sensation produced by pressure receptors in the skin
	a vague idea in which some confidence is placed
	the general atmosphere of a place or situation and the effect that it has on people