11 letters
- relativisms19
- revanchisms24
- revisionism19
- revivalisms23
- rheumatisms20
- romanticism21
- ruffianisms22
- sardonicism19
- scepticisms23
- schematisms22
- schismatics22
- schismatize28
- secularisms19
- seismically21
- seismograms19
- seismograph21
- seismometer17
- seismometry19
- sensualisms17
- separatisms17
- skepticisms24
- solidarisms16
- specialisms21
- speciesisms20
- spoonerisms18
- suprematism21
- surrealisms16
- survivalism24
- sybaritisms19
- synchronism23
- syncretisms20
- syndicalism22
- systematism19
- tautomerism18
- teetotalism15
- traumatisms18
- ureotelisms16
- uricotelism19
- utopianisms19
- vagabondism25
- vanguardism23
- vigilantism22
- voluntarism21
- warlordisms19
- workaholism24
- xerophytism28