talk terms vs hash out

talk terms and hash out both are verbs.

Word	Noun	Adjective	Verb	Adverb
talk terms	No	No	Yes	No
hash out	No	No	Yes	No

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

talk terms: discuss the terms of an arrangement
hash out: speak with others about (something); talk (something) over in detail; have a discussion

Other hypernyms of talk terms include discuss, talk over.

talk terms (verb)	hash out (verb)
discuss the terms of an arrangement	speak with others about (something); talk (something) over in detail; have a discussion