bleat vs utter

bleat is a noun but utter is not a noun.

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

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

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

bleat (noun)	utter (noun)
the sound of sheep or goats (or any sound resembling this)

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

bleat (verb)	utter (verb)
cry plaintively	express in speech
talk whiningly	articulate; either verbally or with a cry, shout, or noise
	express audibly; utter sounds (not necessarily words)
	put into circulation