14 letters
- procrastinated22
- procrastinates21
- procrastinator21
- pseudoclassics26
- psychasthenias27
- psychasthenics30
- quartermasters27
- quasiparticles31
- reasonableness20
- rebroadcasting24
- remeasurements22
- retinoblastoma22
- sadomasochisms26
- sadomasochists23
- schizophrenias34
- scholastically27
- scholasticates23
- scholasticisms26
- schoolmasterly26
- seasonableness20
- semasiological24
- southeastwards21
- sportscastings23
- stationmasters18
- steeplechasers23
- steeplechasing26
- stochastically26
- stonemasonries19
- streptokinases22
- subclassifying30
- supermasculine27
- suprasegmental25
- syringomyelias25
- taskmistresses21
- tastefulnesses20
- telangiectases21
- telangiectasia21
- telangiectasis21
- thermoplastics26
- thoroughbasses24
- thrombokinases27
- thromboplastic29
- thromboplastin27
- transcriptases21
- treasurerships20
- trichomoniases23
- trichomoniasis23
- ultramasculine25
- ultrasensitive21
- ultrasonically24
- ultrastructure21
- unassumingness24
- unbiasednesses21
- unchastenesses22
- unclassifiable27
- underemphasize34
- unenthusiastic23
- unpleasantness22
- unwashednesses23
- vasoactivities25
- vasodilatation21
- videocassettes22
- wastefulnesses23
- weathercasters22
- weatherglasses22
- xerophthalmias32