10 letters
- prostatism16
- puerilisms18
- puritanism18
- quixotisms30
- rabbinisms20
- racialisms17
- radicalism18
- rebaptisms19
- recidivism21
- reformisms19
- refugeeism19
- relativism18
- revanchism23
- revivalism22
- rheumatism19
- ritualisms15
- ruffianism21
- saturnisms15
- scepticism22
- schematism21
- schismatic21
- scientisms17
- secularism18
- seismicity18
- seismogram18
- seismology18
- sensualism16
- separatism16
- serialisms14
- shamanisms19
- skepticism23
- socialisms17
- solidarism15
- solipsisms17
- sovietisms17
- specialism20
- speciesism19
- spiritisms16
- spoonerism17
- strabismic19
- strabismus17
- surrealism15
- sybaritism18
- syllogisms19
- symbolisms22
- syncretism19
- synergisms18
- talismanic18
- talmudisms19
- tarantisms14
- tectonisms17
- tenebrisms17
- terrorisms13
- traumatism17
- tribalisms17
- tritheisms15
- undismayed19
- ureotelism15
- utopianism18
- vaginismus21
- vampirisms23
- vandalisms20
- verbalisms21
- volcanisms22
- voodooisms18
- vorticisms20
- voyeurisms20
- vulcanisms23
- vulgarisms21
- warlordism18
- welfarisms20
- witticisms19