sniveller vs crybaby

sniveller and crybaby both are nouns.

Word	Noun	Adjective	Verb	Adverb
sniveller	Yes	No	No	No
crybaby	Yes	No	No	No

As nouns, sniveller and crybaby are synonyms defined as:

sniveller and crybaby: a person given to excessive complaints and crying and whining

Other synonyms of sniveller include bellyacher, complainer, grumbler, moaner, squawker, whiner.

sniveller (noun)	crybaby (noun)
a person given to excessive complaints and crying and whining	a person given to excessive complaints and crying and whining
	a person who lacks confidence, is irresolute and wishy-washy