sensibility vs sensitivity

sensibility and sensitivity both are nouns.

Word	Noun	Adjective	Verb	Adverb
sensibility	Yes	No	No	No
sensitivity	Yes	No	No	No

As nouns, sensibility and sensitivity are synonyms defined as:

sensibility and sensitivity: (physiology) responsiveness to external stimuli; the faculty of sensation

Other synonyms of sensibility include sensitiveness.

As nouns, sensitivity is a hypernym of sensibility; that is, sensitivity is a word with a broader meaning than sensibility:

Other hypernyms of sensibility include sensitiveness.

sensibility (noun)	sensitivity (noun)
mental responsiveness and awareness	the ability to respond to physical stimuli or to register small physical amounts or differences
(physiology) responsiveness to external stimuli; the faculty of sensation	the ability to respond to affective changes in your interpersonal environment
refined sensitivity to pleasurable or painful impressions	(physiology) responsiveness to external stimuli; the faculty of sensation
	sensitivity to emotional feelings (of self and others)
	susceptibility to a pathogen