surfeit vs furnish

surfeit is a noun but furnish is not a noun.

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

As verbs, furnish is a hypernym of surfeit; that is, furnish is a word with a broader meaning than surfeit:

Other hypernyms of surfeit include offer, provide, render, supply.

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

surfeit (verb)	furnish (verb)
indulge (one's appetite) to satiety	give something useful or necessary to
supply or feed to surfeit	provide or equip with furniture