10 letters
- relumining19
- remissions14
- remounting18
- reopenings17
- reopposing19
- repositing16
- repulsions16
- repursuing18
- rescission14
- reshipping21
- resounding16
- responding18
- resumption18
- reunionist13
- riminesses14
- ringtosses13
- romanising17
- ropinesses14
- rugosities13
- russetings14
- sapogenins17
- scissoring16
- scuppering23
- seasonings14
- seignories13
- seismogram18
- semigroups19
- sensoriums15
- serpigines16
- shimmering21
- signiories13
- signorinas14
- singspiels17
- sinistrous12
- skimpiness21
- skippering23
- sloppiness18
- smarminess17
- smudginess18
- snappiness18
- sourpusses15
- spinneries15
- spirituous15
- sponginess17
- sponsoring17
- spoonerism17
- sporangium20
- sportiness14
- springeing19
- springiest16
- springings19
- springtime19
- spunkiness20
- stinginess14
- stoppering19
- storminess14
- suberising17
- submersing20
- submersion18
- submission18
- subregions17
- summarises17
- summerlong21
- summitries17
- summonsing21
- supergroup20
- superminds19
- superminis18
- superpimps23
- superposes17
- supersonic18
- superspies17
- supineness16
- supporting20
- suppressor17
- surpassing17
- surprising17
- suspending19
- suspension16
- suspensors15
- suspensory17
- suspicions18
- suspicious18
- symposiums22
- synergisms18
- trienniums16
- unassuming19
- uncrossing18
- underspins17
- undressing16
- ungenerous16
- uniforming21
- unimposing21
- uninspired17
- unmitering18
- unpeopling22
- unripeness16
- unruliness15
- unshipping23
- unsphering20
- unstepping21
- unstoppers18
- unstopping21
- untrimming21
- untrussing16
- uppishness20
- uppitiness18
- uropygiums22