churr vs utter

churr is not an adjective while utter is an adjective.

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

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

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

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

churr (verb)	utter (verb)
make a vibrant sound, as of some birds	express in speech
	articulate; either verbally or with a cry, shout, or noise
	express audibly; utter sounds (not necessarily words)
	put into circulation