physiology vs sensitivity

physiology and sensitivity both are nouns.

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

physiology (noun)	sensitivity (noun)
processes and functions of an organism	the ability to respond to physical stimuli or to register small physical amounts or differences
the branch of the biological sciences dealing with the functioning of organisms	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)
	susceptibility to a pathogen