snivel vs snuffle

snivel and snuffle both are nouns.

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

As nouns, snivel and snuffle are synonyms defined as:

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

Other synonyms of snivel include sniffle.

As verbs, snivel and snuffle are synonyms defined as:

As verbs, snivel and snuffle are synonyms defined as:

Other synonyms of snivel include blub, blubber, sniffle.

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

snivel (verb)	snuffle (verb)
snuff up mucus through the nose	snuff up mucus through the nose
cry or whine with snuffling	cry or whine with snuffling
talk in a tearful manner	sniff or smell inquiringly