bellying vs bulging

bellying and bulging both are adjectives.

Word	Noun	Adjective	Verb	Adverb
bellying	No	Yes	No	No
bulging	No	Yes	No	No

As adjectives, bellying and bulging are synonyms defined as:

Other synonyms of bellying include bellied, bulbous, bulgy, protuberant.

bellying (adjective)	bulging (adjective)
curving outward	curving or bulging outward
	curving outward