9 letters
- protistan13
- psoriatic15
- punctilio18
- racialist13
- radiation11
- raincoats13
- raptorial13
- rataplans14
- rationale11
- rationals11
- reappoint16
- reliction14
- reptilian14
- saltation11
- sanatoria10
- sanitaria10
- sanitoria10
- satiation10
- satirical13
- siltation11
- sincipita16
- stational11
- striation10
- tactician16
- tailcoats13
- tailoring13
- talapoins14
- tarantula12
- tarlatans11
- tarnation11
- tarpaulin15
- titration10
- tractions13
- tradition11
- trainload12
- triathlon13
- triatomic15
- trichinal16
- triclinia14
- triclinic17
- tricotine13
- trinomial14
- triticale13
- tropistic15
- tuitional12
- variation14
- vaticinal18
- vicariant17
- vitiation14
- vitriolic17