| Word | Scrabble | WWF |
|---|---|---|
| TUFF (4) TWLCollinsWWF noun: A light porous rock, now especially a rock composed of compacted volcanic ash varying in size from fine sand to coarse gravel. [def] | 10 T (1) + U (1) + F (4) + F (4) | 11 |
| UT (2) TWLCollinsWWF noun: Syllable (formerly) used in solfรจge to represent the first note of a major scale. [def] | 2 U (1) + T (1) | 3 |