sensitize vs sensitization

sensitize is not a noun while sensitization is a noun.

Word	Noun	Adjective	Verb	Adverb
sensitize	No	No	Yes	No
sensitization	Yes	No	No	No

sensitize (noun)	sensitization (noun)
	rendering an organism sensitive to a serum by a series of injections
	(psychology) the process of becoming highly sensitive to specific events or situations (especially emotional events or situations)
	the state of being sensitive (as to an antigen)

sensitize (verb)	sensitization (verb)
make sensitive or aware
make (a material) sensitive to light, often of a particular colour, by coating it with a photographic emulsion
make sensitive to a drug or allergen
cause to sense; make sensitive