11 letters
- radiophones18
- rancidities16
- readmission16
- recitations15
- recomposing23
- recondition17
- recordation16
- redemptions19
- reformation18
- refractions18
- reification18
- relocations16
- remediation16
- reoxidation20
- replication19
- repositions15
- repudiation17
- respiration15
- retinoscopy20
- revocations19
- rifampicins24
- romanticise18
- romanticism21
- romanticist18
- romanticize27
- sanctifiers18
- saponifiers18
- sardonicism19
- scolopendra20
- scopolamine22
- scorpaenids19
- semiaridity17
- seminomadic22
- semiotician18
- semitropics20
- sociometric20
- sodomitical19
- somatomedin19
- speciations18
- spermicidal22
- spirometric20
- stipendiary18
- taphonomies20
- temporising20
- thermionics20
- timocracies20
- torpidities15
- trampolines19
- transformed19
- trepidation16
- trichomonad21
- triploidies16
- trypanosome20
- tyrocidines18
- unidiomatic20
- vindicators20
- voiceprints22