9 letters
- oxalating20
- partition13
- planation15
- plutonian16
- prattling16
- pronating16
- purgation16
- radiating13
- radiation11
- ragouting15
- rantingly16
- rationale11
- rationals11
- rationing13
- ratooning13
- rattening13
- rattlings13
- reloaning14
- renailing14
- retailing13
- retaining13
- retinting13
- retitling13
- reuniting14
- rigatonis12
- ringtails13
- ritualist11
- ruinating14
- ruination12
- saltation11
- sanitoria10
- santolina12
- satiating12
- satiation10
- signorina13
- siltation11
- sinuating14
- situating13
- situation11
- startling13
- stational11
- straining13
- striating12
- striation10
- strunting14
- tabouring16
- tabulator14
- tailgater12
- tailoring13
- tarantula12
- tarnation11
- tarpaulin15
- tautening14
- throating14
- titrating12
- titration10
- toileting13
- tonsuring14
- torturing13
- totalling14
- tradition11
- trainings13
- trainload12
- tretinoin11
- trialogue13
- triathlon13
- triennial12
- trindling15
- trinomial14
- troubling17
- trouncing17
- truanting14
- trundling16
- tuitional12
- turtlings14
- tutorials11
- ultrathin14
- unbolting18
- uncoating17
- uncoiling18
- uncrating17
- unfailing18
- unfitting17
- ungallant16
- unhairing16
- unhatting16
- unilinear13
- unitarian12
- unitarily14
- unloading16
- unmitring17
- unnailing16
- unnatural14
- unrolling16
- unrooting14
- unstating14
- unwitting17
- uptilting17
- uraninite12
- urinating14
- urination12
- valuating18
- valuation16
- variating16
- variation14
- violating17
- vulgarian18