| Answer | Crossword Clue |
|---|---|
| ECHO | Twice-heard sound |
| HARDG | Sound heard twice in "gargantuan" |
| SOFTG | Sound heard twice in "George" |
| SOFTG | Sound heard twice in Georgia? |
| ECHO | It's said once but heard twice |
| MACHII | Twice the speed of sound |
| THERE | Used twice sound of sympathy |
