snarl vs utterance

snarl and utterance both are nouns.

Word	Noun	Adjective	Verb	Adverb
snarl	Yes	No	Yes	No
utterance	Yes	No	No	No

As nouns, utterance is a hypernym of snarl; that is, utterance is a word with a broader meaning than snarl:

Other hypernyms of snarl include vocalization.

snarl (noun)	utterance (noun)
something jumbled or confused	the use of uttered sounds for auditory communication
a vicious angry growl
an angry vicious expression

snarl (verb)	utterance (verb)
make more complicated or confused through entanglements
utter in an angry, sharp, or abrupt tone
make a snarling noise or move with a snarling noise
twist together or entwine into a confusing mass