9 letters
- pronating16
- pronation14
- propining19
- proponent17
- proponing19
- propositi15
- proration13
- protistan13
- protonate13
- pulsation15
- punctilio18
- punitions15
- pupations17
- purgation16
- quotation20
- radiation11
- rainspout14
- raptorial13
- rationale11
- rationals11
- rationing13
- ratooning13
- reappoint16
- reptilian14
- ritualist11
- rotations10
- ruinating14
- ruination12
- saltation11
- sanitoria10
- santolina12
- satiation10
- siltation11
- situation11
- sopranino14
- sortition10
- spiritual14
- spoliator13
- stational11
- striation10
- supinator14
- suppliant18
- tabulator14
- tailoring13
- talapoins14
- tarantula12
- tarnation11
- tarpaulin15
- titration10
- tonoplast14
- tonsorial11
- torsional11
- tradition11
- trainload12
- trapuntos14
- tretinoin11
- triathlon13
- triennial12
- trinomial14
- troopials13
- troponins14
- troupials14
- truanting14
- tuitional12
- tutorials11
- ultrathin14
- unilinear13
- unitarian12
- unitarily14
- unnatural14
- unpopular19
- unripping20
- unrooting14
- uprootals14
- uprooting16
- uptilting17
- uraninite12
- urinating14
- urination12
- valuation16
- variation14
- violation15