blurt vs verbalize

blurt and verbalize both are verbs.

Word	Noun	Adjective	Verb	Adverb
blurt	No	No	Yes	No
verbalize	No	No	Yes	No

As verbs, verbalize is a hypernym of blurt; that is, verbalize is a word with a broader meaning than blurt:

Other hypernyms of blurt include mouth, speak, talk, utter, verbalise.

blurt (verb)	verbalize (verb)
utter impulsively	convert into a verb
	express in speech
	be verbose
	articulate; either verbally or with a cry, shout, or noise