| quaver(pause, hesitate, stumble, waver, stutter) |
| redden |
| repeat(verb, stutter) |
| ripple(flow, babble, whisper, mutter, mumble) |
| rock(pause, hesitate, stumble, waver, stagger) |
| roll(pause, hesitate, stumble, waver, stagger) |
| rumble(utter, flow, babble, whisper, murmur) |
| scruple(pause, hesitate, stumble, falter, waver) |
| seesaw(pause, hesitate, falter, balk, stagger) |
| shake(pause, sway, hesitate, stumble, waver) |
| shift(pause, hesitate, falter, balk, scruple) |
| shrink(pause, hesitate, falter, balk, scruple) |
| shy away(expression, pause, hesitate, falter, balk) |
| sit on fence(expression, idiom, pause, hesitate, falter) |
| squirm with self-consciousness(expression, idiom) |
| stage-whisper(utter, flow, babble, whisper, ripple) |
| straddle(pause, hesitate, falter, balk, scruple) |
| stub toe(expression, pause, hesitate, stumble, waver) |
| stuttered |
| stutterer |