intone vs utter

intone is not an adjective while utter is an adjective.

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

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

Other hypernyms of intone include mouth, speak, talk, verbalise, verbalize.

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

intone (verb)	utter (verb)
recite with musical intonation; recite as a chant or a psalm	express in speech
speak carefully, as with rising and falling pitch or in a particular tone	articulate; either verbally or with a cry, shout, or noise
utter monotonously and repetitively and rhythmically	express audibly; utter sounds (not necessarily words)
	put into circulation