oversupply vs supply

oversupply and supply both are nouns.

Word	Noun	Adjective	Verb	Adverb
oversupply	Yes	No	Yes	No
supply	Yes	No	Yes	No

As verbs, supply is a hypernym of oversupply; that is, supply is a word with a broader meaning than oversupply:

Other hypernyms of oversupply include furnish, offer, provide, render.

oversupply (noun)	supply (noun)
the quality of being so overabundant that prices fall	the activity of supplying or providing something
	offering goods and services for sale
	an amount of something available for use

oversupply (verb)	supply (verb)
supply with an excess of	state or say further
	give what is desired or needed, especially support, food or sustenance
	give something useful or necessary to
	circulate or distribute or equip with