bandy about vs hash out

bandy about and hash out both are verbs.

Word	Noun	Adjective	Verb	Adverb
bandy about	No	No	Yes	No
hash out	No	No	Yes	No

As verbs, hash out is a hypernym of bandy about; that is, hash out is a word with a broader meaning than bandy about:

bandy about: discuss casually
hash out: speak with others about (something); talk (something) over in detail; have a discussion

Other hypernyms of bandy about include discuss, talk over.

bandy about (verb)	hash out (verb)
discuss casually	speak with others about (something); talk (something) over in detail; have a discussion