10 letters
- premoisten17
- prostomium20
- questioner21
- reblooming20
- recombines20
- redingotes14
- reembodies17
- refugeeism19
- regimented17
- remitments17
- remoistens14
- remonetize23
- remoteness14
- remounting18
- requesting23
- resembling20
- reshooting15
- resmelting17
- resolution13
- resummoned19
- resumption18
- rousements15
- seaborgium19
- securement18
- sermonette14
- serotinous12
- singletree14
- slumbering21
- smothering18
- stammering19
- steamering16
- stemmeries16
- stormbound19
- stramonium18
- subentries15
- submerging22
- submersing20
- submersion18
- subregions17
- subreption18
- subroutine16
- subsegment20
- subverting21
- summeriest17
- summerlong21
- summertime20
- summiteers17
- tambourine18
- tambouring20
- telegonies14
- tenebrious15
- tenebrisms17
- tenotomies14
- terminuses15
- theogonies15
- theonomies16
- timberings19
- tonometers14
- tremendous16
- treponemes17
- trombonist17
- trusteeing14
- turgencies17
- udometries15
- unbosoming21
- uniformest18
- unseemlier16
- ureotelism15
- urinometer15
- zeitgebers24
- zoometries22