interject vs inject

interject and inject both are verbs.

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

As verbs, interject and inject are synonyms defined as:

Other synonyms of interject include come in, interpose, put in, throw in.

interject (verb)	inject (verb)
to insert between other elements	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