utterable vs utter

utterable and utter both are adjectives.

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

utterable (adjective)	utter (adjective)
capable of being uttered in words or sentences	complete and absolute
	without qualification; used informally as (often pejorative) intensifiers

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