revel vs bust

revel and bust both are nouns.

Word	Noun	Adjective	Verb	Adverb
revel	Yes	No	Yes	No
bust	Yes	Yes	Yes	No

As nouns, bust is a hyponym of revel; that is, bust is a word with a more specific, narrower meaning than revel:

revel (noun)	bust (noun)
unrestrained merrymaking	an occasion for excessive eating or drinking
	a sculpture of the head and shoulders of a person
	the chest of a woman
	a complete failure

revel (adjective)	bust (adjective)
	lacking funds

revel (verb)	bust (verb)
take delight in	break open or apart suddenly and forcefully
celebrate noisily, often indulging in drinking; engage in uproarious festivities	go to pieces
	ruin completely
	separate or cause to separate abruptly
	search without warning, make a sudden surprise attack on