11 letters
- recertifies17
- recodifying23
- rectifiable21
- refortified18
- refortifies17
- reification18
- remodifying23
- renotifying20
- repacifying25
- repurifying23
- requalified26
- requalifies25
- resinifying20
- reverifying23
- revivifying27
- rifampicins24
- rigidifying22
- sacrificers20
- sacrificial21
- sacrificing23
- sanctifiers18
- sanctifying23
- saponifiers18
- saponifying23
- scalariform21
- semideified19
- semideifies18
- sheriffdoms23
- shiftlessly20
- shoplifters20
- shoplifting23
- significant21
- signifyings22
- silicifying23
- simplifiers21
- simplifying26
- solemnified20
- solemnifies19
- solidifying21
- somniferous19
- specifiable24
- specificity25
- speechified23
- speechifies22
- spendthrift21
- stellifying21
- stiffnesses18
- stratifying19
- stultifying21
- subclassify24
- subspecific27
- swiftnesses18
- syllabified22
- syllabifies21
- thriftiness17
- trifluralin18
- trifurcated19
- trifurcates18
- umbellifers23
- unamplified24
- unbeautiful22
- uncalcified24
- uncertified20
- unclarified21
- undignified21
- undutifully23
- unfortified20
- unification20
- uniformness20
- unjustified27
- unmagnified23
- unqualified28
- unspecified23
- vitrifiable22
- vociferated22
- vociferates21
- vociferator21
- whiffletree23