snuffle vs sniffle

snuffle and sniffle both are nouns.

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

As nouns, snuffle and sniffle are synonyms defined as:

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

Other synonyms of snuffle include snivel.

As verbs, snuffle and sniffle are synonyms defined as:

Other synonyms of snuffle include blub, blubber, snivel.

snuffle (noun)	sniffle (noun)
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)

snuffle (verb)	sniffle (verb)
snuff up mucus through the nose	inhale audibly through the nose
cry or whine with snuffling	cry or whine with snuffling
sniff or smell inquiringly