10 letters
- organicist16
- organismic19
- ostracisms16
- parabiosis16
- parabiotic19
- parasitism16
- partitions14
- patricians17
- patriotism16
- patristics16
- prosimians17
- prostatism16
- protistans14
- psoriatics16
- rabbinisms20
- racialisms17
- racialists14
- radiations12
- rainstorms14
- ramosities13
- recitation14
- sacraments17
- sacristans14
- sacrosanct17
- saltations12
- samaritans14
- sanatorium15
- sanctities14
- sanitaries11
- sanitarium15
- sanitation12
- sanitorium15
- satiations11
- saturation12
- sectarians14
- seminarist14
- siltations12
- simoniacal18
- sinoatrial12
- situations12
- solicitant15
- sortitions11
- staminodia15
- starvation15
- stationary13
- stationers11
- steamboats16
- stigmatics18
- stirabouts14
- stomatitis13
- strabismic19
- stramonies14
- striations11
- strontiums15
- substation15
- suctorians15
- sybaritism18
- tacticians17
- talismanic18
- tanistries11
- tarantisms14
- tarnations12
- tearstains11
- tectonisms17
- timocratic19
- timpanists17
- tinctorial15
- titrations11
- trabeation14
- tractional15
- traditions12
- transactor14
- transistor11
- transition12
- transsonic15
- tribalisms17
- tricotines14
- trinomials15
- trisection14
- trombonist17
- unartistic15
- urbanistic18
- urtication15
- variations15
- vibrations18
- vicariants18
- vorticisms20
- vorticists17
- waistcoats16