interpose vs interposition

interpose is not a noun while interposition is a noun.

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

interpose (noun)	interposition (noun)
	the action of interjecting or interposing an action or remark that interrupts
	the act or fact of interposing one thing between or among others

interpose (verb)	interposition (verb)
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