blubber out vs speak

blubber out and speak both are verbs.

Word	Noun	Adjective	Verb	Adverb
blubber out	No	No	Yes	No
speak	No	No	Yes	No

As verbs, speak is a hypernym of blubber out; that is, speak is a word with a broader meaning than blubber out:

Other hypernyms of blubber out include mouth, talk, utter, verbalise, verbalize.

blubber out (verb)	speak (verb)
utter while crying	express in speech
	exchange thoughts; talk with
	use language
	give a speech to
	make a characteristic or natural sound