fizzle vs bust

fizzle and bust both are nouns.

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

As nouns, fizzle and bust are synonyms defined as:

Other synonyms of fizzle include flop.

fizzle (noun)	bust (noun)
a complete failure	an occasion for excessive eating or drinking
a fricative sound (especially as an expression of disapproval)	a sculpture of the head and shoulders of a person
	the chest of a woman
	a complete failure

fizzle (adjective)	bust (adjective)
	lacking funds

fizzle (verb)	bust (verb)
end weakly	break open or apart suddenly and forcefully
	go to pieces
	ruin completely
	separate or cause to separate abruptly
	search without warning, make a sudden surprise attack on