9 letters
- reasoning13
- recension14
- reinstate10
- reinvents15
- relations11
- remoisten13
- remotions13
- renascent14
- renesting13
- renovates14
- reobtains13
- reorients10
- reseating12
- resection13
- resenting13
- resinated11
- resinates10
- resonance14
- resonants11
- resonated11
- resonates10
- resonator10
- retainers10
- retention11
- retinenes11
- revenants15
- roentgens13
- rogations12
- rotations10
- rotenones11
- sanbenito14
- saturnine12
- secretion13
- senhorita12
- senoritas10
- sensation11
- sententia11
- serotinal11
- serotines10
- serotonin11
- serration10
- sixteenmo20
- snakeroot14
- sonneteer11
- sonorants11
- sopranino14
- sparteine13
- spinneret14
- stationer10
- stearines10
- stereoing12
- stingaree12
- stoneware13
- taborines13
- tandooris11
- tangerine13
- tanneries11
- tenancies14
- tenorites10
- tensional12
- tensioned12
- tensioner11
- ternaries10
- threonine13
- tonsorial11
- tornadoes11
- torsional11
- transient11
- transonic14
- treenails11
- troponins14
- tyrannies13
- tyrannise13
- venations15
- venetians15
- vernation15
- vexations21
- wantoners14
- xantheins20
- xanthenes20
- xanthines20
- xanthones20
- zonations20