| pussyfoot(pause, hesitate, scruple) |
| puzzle(shock, shake, throw, surprise, amaze) |
| quail(verb, recoil, cringe, flinch) |
| recoil(verb, cringe, flinch) |
| shift(pause, hesitate, scruple) |
| shock(verb, confuse, shake, confound, surprise) |
| slip(drop, miss, fumble) |
| stick(pause, shy, throw, hesitate, balk) |
| stick at(verb, phrasal verb, difficulty) |
| stickle(stick, question, pause, shy, fret) |
| stickling(question, fret) |
| strain |
| strike dumb(expression, shock, overwhelm, shake, astonish) |
| stump(shock, shake, throw, astonish, astound) |
| stun(verb, shock, confuse, shake, confound) |
| stupefy(shock, overwhelm, shake, confound, surprise) |
| tergiversate(pause, hesitate, scruple) |
| wince(verb, recoil, cringe, flinch) |
| wonder |
| addle |