gulping vs gulp

gulping and gulp both are nouns.

Word	Noun	Adjective	Verb	Adverb
gulping	Yes	No	No	No
gulp	Yes	No	Yes	No

As nouns, gulping and gulp are synonyms defined as:

gulping and gulp: a spasmodic reflex of the throat made as if in swallowing

gulping (noun)	gulp (noun)
the drinking of large mouthfuls rapidly	a large and hurried swallow
a spasmodic reflex of the throat made as if in swallowing	a spasmodic reflex of the throat made as if in swallowing

gulping (verb)	gulp (verb)
	utter or make a noise, as when swallowing too quickly
	to swallow hurriedly or greedily or in one draught