inject vs interject

inject and interject both are verbs.

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

As verbs, inject and interject are synonyms defined as:

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

inject (verb)	interject (verb)
give an injection to	to insert between other elements
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