interpose vs interject

interpose and interject both are verbs.

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

As verbs, interpose and interject are synonyms defined as:

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

interpose (verb)	interject (verb)
to insert between other elements	to insert between other elements
to put forth by way of intervention
be or come between
get involved, so as to alter or hinder an action, or through force or threat of force