8 letters
- soughing16
- sprights15
- straight12
- sunlight15
- thorough15
- thoughts15
- tightens13
- tightest12
- tightwad16
- tonights13
- toughens14
- toughest13
- toughies13
- toughing16
- toughish15
- tughriks17
- twilight16
- twinight16
- unbought18
- unbright17
- uncaught18
- unfought18
- unsights14
- unsought15
- untaught15
- unweight17
- uplights17
- uprights16
- waughted17
- weighers15
- weighing18
- weighman19
- weighmen19
- weighted16
- weighter15
- yataghan15
- yoghourt15
- yoghurts15