inveigh vs sound off

inveigh and sound off both are verbs.

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

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

Other hypernyms of inveigh include complain, kick, kvetch, plain, quetch.

inveigh (verb)	sound off (verb)
complain bitterly	express complaints, discontent, displeasure, or unhappiness
speak against in an impassioned manner	express one's opinion openly and without fear or hesitation
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