instillator vs instill

instillator is a noun but instill is not a noun.

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

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

instillator (verb)	instill (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