9 letters
- rewriting15
- ridgeling16
- ruinating14
- seriating12
- serrating12
- signeting15
- sintering13
- straining13
- stranding14
- stringier12
- stringing15
- tangerine13
- targeting14
- tendering14
- terracing15
- threading15
- tinkering17
- tragedian13
- trainings13
- treadling14
- triennial12
- triggered14
- trilinear11
- trindling15
- twingeing18
- undergirt14
- ungirding17
- untrained13
- uraninite12
- urinating14
- wandering17
- wintering16