instill vs instillator

instill is not a noun while instillator is a noun.

Word	Noun	Adjective	Verb	Adverb
instill	No	No	Yes	No
instillator	Yes	No	No	No

instill (noun)	instillator (noun)
	medical apparatus that puts a liquid into a cavity drop by drop

instill (verb)	instillator (verb)
fill, as with a certain quality
produce or try to produce a vivid impression of
teach and impress by frequent repetitions or admonitions
enter drop by drop
impart gradually