11 letters
- reoperation15
- reorientate12
- reservation16
- restoration12
- restorative15
- restriction15
- restrictive18
- retractions15
- retroacting17
- retroaction15
- retroactive18
- revaccinate22
- revelations17
- reversional17
- revocations19
- rottenstone13
- secretariat14
- septentrion16
- stereotaxic21
- technocrats20
- telocentric19
- teratogenic17
- terminators15
- tetracaines15
- tetrarchies16
- tetrasporic17
- theocentric20
- theocracies19
- tobacconist21
- tolerations13
- tonometries15
- topocentric21
- trajections24
- transaction16
- transceiver19
- transecting18
- transection16
- transiences16
- transpierce18
- transportee15
- travertines16
- triceratops17
- trochanters17
- truncations17
- turnvereins18
- unrestraint14
- vacationers19
- vaccinators22
- varicoceles22
- variometers18
- vegetations18
- venerations17
- venesection20
- ventilators17
- vociferates21
- vociferator21