如果在兩者都是動詞前提下,
講(to say/talk/speak)
同人講野 - to "talk" with someone
講人壞話 - to "say" bad things about someone
話 - already have the meaning of scolding someone or badmouth someone
你做咩話佢呀?(something like: why are you "scolding" him?)
我們不會用" 話(動詞) " 去形容我們在聊天
hope it helps~