| Answer | Crossword Clue |
|---|---|
| TRASS | Volcano tuff. |
| TRASS | Volcanic tuff. |
| TERRAS | Volcanic tuff: Var. |
| TRASS | Light-colored tuff. |
| ENUFF | "Tuff ..." (Fabulous Thunderbirds hit) |
| LAVAS | Relatives of tuff and trass. |
| ENUFF | "Tuff ..." (1986 hit for the Fabulous Thunderbirds) |
| FABULOUSTHUNDERBIRDS | Band with the 1986 hit 'Tuff Enuff,' with 'the' |
