| quiver(noun, verb, move, upset, force) |
| rock-and-roll(noun, type) |
| seesaw(verb, move, fall, shake, swing) |
| shake |
| shake up(verb, expression, phrasal verb, upset, disturb) |
| support(noun, verb, hold, foundation, stronghold) |
| tilt(noun, verb, move, drop, fall) |
| cradle(verb, support, hold, shake, nurture) |
| concrete(adjective, strong, hard, substantial, sturdy) |
| diamond(noun, jewelry, gemstone) |
| escarpment(noun, cliff) |
| flint |
| gem(noun, charm, informal, stone, treasure) |
| lava(noun, stone) |
| librate(verb, swing, waver, fluctuate, evolution) |
| rattle(verb, phrasal verb, upset, calm, disturb) |
| reef(noun, stone, cliff, ledge, underwater) |
| rock 'n' roll(noun, expression, idiom) |
| rock and roll(noun, expression, idiom, music, piece) |
| ruffle(verb, upset, calm, disturb, shake) |