laugh vs utterance

laugh and utterance both are nouns.

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

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

Other hypernyms of laugh include vocalization.

laugh (noun)	utterance (noun)
the sound of laughing	the use of uttered sounds for auditory communication
a humorous anecdote or remark intended to provoke laughter
a facial expression characteristic of a person laughing

laugh (verb)	utterance (verb)
produce laughter