| Answer | Crossword Clue |
|---|---|
| AFS | Sound-wave frequencies: Abbr. |
| AUDIO | Pertaining to sound frequencies. |
| INAUDIBLE | Like sound frequencies above 20 kHz or so, to humans |
| SWASH | Wave sound |
| LAP | Wave sound |
| ROTE | Wave sound |
| ECHO | Sound wave reflection. |
| PHEW | Sound in a heat wave |
| DECIBELS | Units of sound-wave intensity |
| WHEW | Sound heard during a heat wave |
| POOF | Sound after a wave of a wand |
