editorialize vs sound off

editorialize and sound off both are verbs.

Word	Noun	Adjective	Verb	Adverb
editorialize	No	No	Yes	No
sound off	No	No	Yes	No

As verbs, sound off is a hypernym of editorialize; that is, sound off is a word with a broader meaning than editorialize:

Other hypernyms of editorialize include animadvert, opine, speak out, speak up.

editorialize (verb)	sound off (verb)
insert personal opinions into an objective statement	express complaints, discontent, displeasure, or unhappiness
	express one's opinion openly and without fear or hesitation
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