10 letters
- portending18
- praetorian14
- protending18
- radiations12
- radicating17
- radiogenic17
- rattooning14
- readapting17
- readopting17
- readorning15
- reanointed13
- reattained12
- reboarding17
- recitation14
- redbaiting17
- redrafting17
- refraining17
- refronting17
- registrant13
- regranting16
- regrinding17
- reignition14
- reinvading19
- reknitting18
- renaturing15
- renditions13
- renovating18
- repainting17
- reparation14
- reprinting17
- resinating14
- resonating14
- restarting13
- retardants12
- retracting16
- retraction14
- retraining14
- retreading14
- retreating13
- ritardando13
- roistering13
- sanitating14
- sanitation12
- senatorian12
- stagnation14
- stationing14
- stentorian12
- stringendo15
- tangential15
- tardigrade14
- tarnations12
- tendonitis13
- terminator14
- termitaria13
- tetanising14
- tetanizing23
- tetragonal14
- thorianite13
- toenailing15
- tolerating14
- tormenting17
- torrential12
- trabeation14
- traditions12
- traditores11
- tragedians14
- trailering14
- tramontane15
- transiting14
- transition12
- tretinoins12
- trinketing18
- tripinnate15
- triradiate11
- tristearin11
- unarrogant15
- untreading16
- variegator16
- warranting17