overproduction vs overrun

overproduction and overrun both are nouns.

Word	Noun	Adjective	Verb	Adverb
overproduction	Yes	No	No	No
overrun	Yes	No	Yes	No

As nouns, overproduction and overrun are synonyms defined as:

overproduction (noun)	overrun (noun)
too much production or more than expected	too much production or more than expected

overproduction (verb)	overrun (verb)
	run beyond or past
	seize the position of and defeat
	flow or run over (a limit or brim)
	invade in great numbers
	occupy in large numbers or live on a host