12 letters
- outpreaching24
- outstretched19
- outstretches18
- overachieved26
- overachiever25
- overachieves25
- overbleached26
- overbleaches25
- overcharging26
- overchilling26
- overcoaching27
- overmatching27
- overreachers21
- overreaching24
- pachysandras24
- panchromatic27
- pantechnicon26
- parachutists21
- parenchymata26
- parochialism24
- patchinesses21
- patriarchate20
- patriarchies20
- perchlorates21
- perichondral23
- perichondria22
- perionychium27
- peritrichous21
- photochemist25
- photochromic28
- phytochemist27
- phytochromes27
- pitchblendes26
- pitchforking30
- pleochroisms24
- polychromies26
- polychroming29
- polystichous24
- polytechnics27
- postischemic26
- preachifying28
- predischarge23
- prepurchased25
- prepurchases24
- prescheduled24
- preschedules23
- preschoolers21
- prosobranchs24
- psychedelias24
- psychedelics27
- psychiatries22
- psychiatrist22
- psychoactive29
- psychobabble32
- psychodramas26
- psychographs29
- psychologies25
- psychologise25
- psychologism28
- psychologist25
- psychologize34
- psychometric28
- psychopathic30
- psychosexual31
- psychosocial26
- psychotropic28
- psychrometer25
- psychrometry27
- pulchritudes24
- punchinellos25
- pyrocatechol26
- pyrotechnics26
- pyrotechnist23
- radiochemist21
- reattachment21
- rechallenged23
- rechallenges22
- rechanneling23
- rechannelled22
- rechargeable23
- rechartering20
- rechristened19
- reproachable24
- repurchasing24
- rescheduling23
- researchable21
- researchists17
- retrenchment22
- ricochetting23
- saccharified24
- saccharifies23
- saccharinity23
- saccharoidal22
- saurischians19
- scaramouches24
- schematizing32
- schismatical24
- schismatized30
- schismatizes29
- schistosomal21
- schistosomes20
- schizogonies29
- schizogonous30
- schizophrene32
- schmaltziest30
- schnorkeling26
- scholarships23
- schoolboyish25
- schoolfellow26
- schoolhouses21
- schoolmaster21
- schottisches22
- schussboomer24
- schwarmereis23
- sclerenchyma27
- scratchboard24
- scratchiness21
- searchlights22
- semidetached22
- sepulchering25
- sepulchrally26
- shortchanged23
- shortchanger22
- shortchanges22
- speechifying28
- speechlessly24
- speechwriter23
- spirochaetes20
- sprachgefuhl29
- squirarchies27
- stagecoaches22
- steeplechase21
- stepchildren23
- stichomythia24
- stichomythic27
- stomachaches25
- subarachnoid23
- superbitches24
- supercharged24
- supercharger23
- supercharges23
- superschools22
- switchbacked31
- switchblades25
- switchboards24
- symposiarchs25
- synchroneity23
- synchronical25
- synchronised22
- synchronises21
- synchronisms24
- synchronized31
- synchronizer30
- synchronizes30
- synchroscope26
- synchrotrons21
- tachycardias23
- technetronic22
- technicality24
- technicalize31
- technobabble28
- technocratic24
- technologies21
- technologist21
- technologize30
- technophiles24
- technophobes26
- technophobia26
- technophobic29
- tetchinesses18
- tetradrachms21
- topstitching23
- torchbearers20
- touchinesses19
- tracheitises17
- tracheophyte24
- tracheostomy22
- trenchancies22
- trichinizing30
- trichlorfons22
- trichlorphon24
- trichologies20
- trichologist20
- trichomonads22
- trichopteran21
- trichotomies20
- trichotomous21
- trichromatic23
- trierarchies17
- trochanteral19
- trochanteric21
- trochophores22
- truncheoning23
- turbocharged24
- turbocharger23
- unbreachable26
- unchallenged25
- unchangeable26
- unchangeably28
- unchangingly28