| Answer | Crossword Clue |
|---|---|
| undulatory | moving in the manner of undulations, or waves |
| rolling | moving in undulating billows, as clouds or waves |
| rollings | moving in undulating billows, as clouds or waves |
| scuffle | An act or sound of moving in a hurried, confused, or shuffling manner |
| scuffles | An act or sound of moving in a hurried, confused, or shuffling manner |
| radiations | The emission of energy as electromagnetic waves or as moving subatomic particles, esp. high-energy particles that cause ionization |
| radiation | The emission of energy as electromagnetic waves or as moving subatomic particles, esp. high-energy particles that cause ionization |
