thresh about vs thrash about

thresh about and thrash about both are verbs.

Word	Noun	Adjective	Verb	Adverb
thresh about	No	No	Yes	No
thrash about	No	No	Yes	No

As verbs, thresh about and thrash about are synonyms defined as:

Other synonyms of thresh about include convulse, jactitate, slash, thrash, thresh, toss.

thresh about (verb)	thrash about (verb)
move or stir about violently	move or stir about violently