opine vs speak out

opine and speak out both are verbs.

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

As verbs, opine and speak out are synonyms defined as:

opine and speak out: express one's opinion openly and without fear or hesitation

Other synonyms of opine include animadvert, sound off, speak up.

opine (verb)	speak out (verb)
expect, believe, or suppose	express one's opinion openly and without fear or hesitation
express one's opinion openly and without fear or hesitation