inject vs injectant

inject is not a noun while injectant is a noun.

Word	Noun	Adjective	Verb	Adverb
inject	No	No	Yes	No
injectant	Yes	No	No	No

inject (noun)	injectant (noun)
	any solution that is injected (as into the skin)

inject (verb)	injectant (verb)
give an injection to
to introduce (a new aspect or element)
to insert between other elements
feed intravenously
take by injection
force or drive (a fluid or gas) into by piercing