11 letters
- rationalist13
- reanimation16
- reassertion12
- reestimates14
- reinsertion13
- reiteration12
- remonstrant16
- remonstrate15
- renominates16
- reoperation15
- reorientate12
- reparations15
- repartition15
- repatriates14
- repetitions15
- repositions15
- resentments16
- resorptions15
- respiration15
- restoration12
- retaliation13
- retirements15
- retranslate13
- retransmits15
- salinometer16
- sanitations13
- seminarians16
- semitrailer15
- sempiternal19
- sensational14
- sentimental17
- separations15
- septentrion16
- sermonettes15
- serpentines16
- solemnities16
- spinnerette16
- spirometers17
- spoliations16
- streamliner16
- streamlines16
- streetlamps18
- stripteaser14
- teleonomies16
- teleprinter16
- teliospores15
- temporaries17
- tensiometer15
- termination16
- terminators15
- termitaries14
- terneplates16
- terrepleins16
- testimonial16
- testimonies15
- tetraspores14
- tiemannites16
- timepleaser18
- tolerations13
- tonometries15
- trailerists12
- trailerites12
- tramontanes16
- trampoliner19
- trampolines19
- transalpine17
- transitions13
- translation14
- translators13
- transmarine16
- transparent16
- transplants17
- transportee15
- trepanation16
- treponemata18
- tristearins12