つぶやく (translations)→ allow grumble murmur say speak swear talk tweet twitter utter whisper
ののしる (translations)→ blackguard complain curse defame exclaim slang
ひとりごちる (translations)→ reflect think
繰返す (translations)→ change repeat
漏らす (translations)→ commit give
呟く (translations)→ chatter mumble
言う (translations)→ accuse acquiesce add admit admonish announce answer ask assert begin blurt call claim comment confess contend declare deliver demand describe direct discuss explain express get at have imply indicate insist instruct mention mouth name note observe offer order point profess promise pronounce protest put read recall refer relate reply report respond return sell show sound state submit suggest tell unload venture word