blaze away vs speak

blaze away and speak both are verbs.

Word	Noun	Adjective	Verb	Adverb
blaze away	No	No	Yes	No
speak	No	No	Yes	No

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

Other hypernyms of blaze away include address.

blaze away (verb)	speak (verb)
speak with fire and passion	express in speech
shoot rapidly and repeatedly	exchange thoughts; talk with
perform (an acting passage) brilliantly and rapidly	use language
	give a speech to
	make a characteristic or natural sound