| fluctuate(verb, change, alter, pause, swing) |
| vacillate(verb, change, alter, pause, swing) |
| alternate(verb, change, alter, swing, vary) |
| bobble(verb, pause, hesitate, stumble, waver) |
| break(pause, hesitate, stumble, waver, stutter) |
| drop the ball(expression, idiom, pause, hesitate, stumble) |
| ebb and flow(verb, expression, idiom, change, alter) |
| falter(verb, pause, hesitate, stumble, waver) |
| flounder(pause, hesitate, stumble, waver, stutter) |
| fluff(pause, hesitate, stumble, waver, stutter) |
| flutter(verb, change, alter, swing, vary) |
| go up and down(verb, expression, idiom, change, alter) |
| halt(pause, hesitate, stumble, waver, stutter) |
| hem and haw(verb, expression, idiom, change, alter) |
| hesitate(verb, change, alter, pause, swing) |
| lurch(pause, hesitate, stumble, waver, stutter) |
| pause(hesitate, waver) |
| quaver(pause, hesitate, stumble, waver, stutter) |
| reel(pause, hesitate, stumble, waver, stutter) |
| rise and fall(verb, expression, idiom, change, alter) |