hoot vs utter

hoot is a noun but utter is not a noun.

Word	Noun	Adjective	Verb	Adverb
hoot	Yes	No	Yes	No
utter	No	Yes	Yes	No

As verbs, utter is a hypernym of hoot; that is, utter is a word with a broader meaning than hoot:

Other hypernyms of hoot include emit, let loose, let out.

As verbs, utter is a hypernym of hoot; that is, utter is a word with a broader meaning than hoot:

Other hypernyms of hoot include emit, let loose, let out.

hoot (noun)	utter (noun)
something of little value
a loud raucous cry (as of an owl)
a cry or noise made to express displeasure or contempt

hoot (adjective)	utter (adjective)
	complete and absolute
	without qualification; used informally as (often pejorative) intensifiers

hoot (verb)	utter (verb)
to utter a loud clamorous shout	express in speech
utter the characteristic sound of owls	articulate; either verbally or with a cry, shout, or noise
	express audibly; utter sounds (not necessarily words)
	put into circulation