9 letters
- rewriting15
- rigatonis12
- riverboat16
- rivetting16
- ruinating14
- ruination12
- seriating12
- serrating12
- serration10
- signorina13
- signorine13
- sintering13
- sortieing12
- straining13
- stringier12
- tailoring13
- tangerine13
- terracing15
- tinkering17
- trainings13
- traveling17
- tretinoin11
- triennial12
- trilinear11
- uraninite12
- urinating14
- urination12
- variating16
- variation14
- vectoring19
- venations15
- venerator14
- venturing18
- veratrine14
- veratrins14
- vernation15
- vibrating19
- vibration17
- vigilante17
- vignerons17
- vintagers16
- violating17
- wintering16
- worriting15