belly whop vs belly whopper

belly whop and belly whopper both are nouns.

Word	Noun	Adjective	Verb	Adverb
belly whop	Yes	No	No	No
belly whopper	Yes	No	No	No

As nouns, belly whop and belly whopper are synonyms defined as:

belly whop and belly whopper: a dive in which the abdomen bears the main force of impact with the water

Other synonyms of belly whop include belly flop, belly flopper.

belly whop (noun)	belly whopper (noun)
a dive in which the abdomen bears the main force of impact with the water	a dive in which the abdomen bears the main force of impact with the water