sniffle vs snivel

sniffle and snivel both are nouns.

Word	Noun	Adjective	Verb	Adverb
sniffle	Yes	No	Yes	No
snivel	Yes	No	Yes	No

As nouns, sniffle and snivel are synonyms defined as:

sniffle and snivel: the act of breathing heavily through the nose (as when the nose is congested)

Other synonyms of sniffle include snuffle.

As verbs, sniffle and snivel are synonyms defined as:

Other synonyms of sniffle include blub, blubber, snuffle.

sniffle (noun)	snivel (noun)
the act of breathing heavily through the nose (as when the nose is congested)	whining in a tearful manner
	the act of breathing heavily through the nose (as when the nose is congested)

sniffle (verb)	snivel (verb)
inhale audibly through the nose	snuff up mucus through the nose
cry or whine with snuffling	cry or whine with snuffling
	talk in a tearful manner