verbalise vs mouth

verbalise is not a noun while mouth is a noun.

Word	Noun	Adjective	Verb	Adverb
verbalise	No	No	Yes	No
mouth	Yes	No	Yes	No

As verbs, verbalise and mouth are synonyms defined as:

Other synonyms of verbalise include speak, talk, utter, verbalize.

As verbs, mouth is a hypernym of verbalise; that is, mouth is a word with a broader meaning than verbalise:

Other hypernyms of verbalise include speak, talk, utter, verbalise, verbalize.

verbalise (noun)	mouth (noun)
	the opening of a jar or bottle
	the externally visible part of the oral cavity on the face and the system of organs surrounding the opening
	the opening through which food is taken in and vocalizations emerge
	an impudent or insolent rejoinder
	the point where a stream issues into a larger body of water
	an opening that resembles a mouth (as of a cave or a gorge)
	a person conceived as a consumer of food
	a spokesperson (as a lawyer)

verbalise (verb)	mouth (verb)
convert into a verb	express in speech
express in speech	articulate silently; form words with the lips only
be verbose	touch with the mouth
articulate; either verbally or with a cry, shout, or noise