- He yelled.
- She screamed.
- I whispered.
(= spoke in an extremely quiet voice)
- We chatted.
(= had an informal conversation)
- He mumbled.
(= spoke in a low voice, not clearly, without opening his mouth much)
- My kids whined.
- He rambled. / He went on and on.
(= talked too much without stopping)
- She stammered.
- I snapped at my husband.
(= said a quick and angry remark)
- He muttered.
(= spoke in a low voice, usually making complaints or negative comments)