sensitivity vs sensitising

sensitivity and sensitising both are nouns.

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

sensitivity (noun)	sensitising (noun)
the ability to respond to physical stimuli or to register small physical amounts or differences	rendering an organism sensitive to a serum by a series of injections
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

sensitivity (adjective)	sensitising (adjective)
	making susceptible or sensitive to either physical or emotional stimuli