corbel vs furnish

corbel is a noun but furnish is not a noun.

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

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

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

corbel (noun)	furnish (noun)
(architecture) a triangular bracket of brick or stone (usually of slight extent)

corbel (verb)	furnish (verb)
furnish with a corbel	give something useful or necessary to
	provide or equip with furniture