interject vs put in

interject and put in both are verbs.

Word	Noun	Adjective	Verb	Adverb
interject	No	No	Yes	No
put in	No	No	Yes	No

As verbs, interject and put in are synonyms defined as:

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

interject (verb)	put in (verb)
to insert between other elements	place, fit, or thrust (something) into another thing
	break into a conversation
	to insert between other elements
	make an application as for a job or funding
	set up for use
	keep or lay aside for future use