stink bomb vs stench bomb

stink bomb and stench bomb both are nouns.

Word	Noun	Adjective	Verb	Adverb
stink bomb	Yes	No	No	No
stench bomb	Yes	No	No	No

As nouns, stink bomb and stench bomb are synonyms defined as:

stink bomb and stench bomb: a small bomb designed to give off a foul odor when it explodes

stink bomb (noun)	stench bomb (noun)
a small bomb designed to give off a foul odor when it explodes	a small bomb designed to give off a foul odor when it explodes