surfeit vs oversupply

surfeit and oversupply both are nouns.

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

As nouns, surfeit and oversupply are synonyms defined as:

surfeit and oversupply: the quality of being so overabundant that prices fall

Other synonyms of surfeit include glut.

surfeit (noun)	oversupply (noun)
eating until excessively full	the quality of being so overabundant that prices fall
the quality of being so overabundant that prices fall
the state of being more than full

surfeit (verb)	oversupply (verb)
indulge (one's appetite) to satiety	supply with an excess of
supply or feed to surfeit