open one's mouth

chat communicate convey declare deliver express go say shout tell utter voice whisper

allege articulate assert aver blab chew converse descant discourse drawl enunciate expatiate gab gas jaw modulate mouth mumble murmur mutter perorate pronounce rap sound spiel spill state verbalize vocalize yak yammer

break silence lip make known make public pop off put into words speak one's piece yakety-yak

be quiet conceal hold keep retain withhold

deny hide mumble praise speak clearly

listen

articulate blab chat communicate converse enunciate express gab mouth mumble pronounce rap say shout sound state talk tell utter vocalize voice whisper yak yammer

break silence make known put into words

ask be quiet conceal hide listen mumble question