12 letters
- multitracked25
- mycobacteria26
- mythomaniacs26
- necrophiliac25
- niacinamides21
- nonabstracts20
- nonacademics24
- nonactivated22
- nonbacterial21
- noncandidacy25
- noncharacter22
- nonpractical24
- nymphomaniac30
- ochlocracies24
- olfactometer22
- orchidaceous22
- osteomalacia19
- ostracoderms19
- outachieving25
- outplacement24
- outpreaching24
- overabstract22
- overachieved26
- overachiever25
- overachieves25
- overactivity25
- overbleached26
- overbleaches25
- overcapacity27
- overcoaching27
- overpackaged29
- overpackages28
- overreachers21
- overreaching24
- overreacting22
- overreaction20
- oxalacetates23
- oxaloacetate23
- oxyacetylene28
- pachysandras24
- pacification25
- pacificators24
- packinghouse28
- pantisocracy24
- parachutists21
- paradisiacal20
- paratactical22
- passacaglias21
- peacefullest24
- peacefulness24
- peacekeepers25
- peacekeeping28
- peacemakings28
- pectinaceous23
- perspicacity26
- pertinacious20
- petrifaction22
- pharmacology28
- pharmacopeia26
- phonotactics24
- phylacteries23
- phyllotactic27
- pickabacking35
- piggybacking34
- placeholders23
- placekickers30
- placekicking33
- placentation21
- placidnesses21
- plutocracies23
- postaccident23
- postfracture22
- postvaccinal27
- practicality24
- practitioner19
- preachifying28
- prepackaging30
- profligacies24
- prophylactic29
- prostacyclin25
- protactinium23
- protractions19
- psychoactive29
- pterodactyls22
- pugnaciously26
- putrefaction23
- putrefactive26
- pyromaniacal25
- quacksalvers34
- quarterbacks32
- racemization28
- racetrackers22
- racewalkings26
- racketeering22
- racquetballs30
- radiotracers16
- rarefactions19
- reaccelerate19
- reaccessions19
- reaccredited20
- reacquainted27
- reactivating22
- reactivation20
- reactiveness20
- reactivities19
- reattachment21
- recontacting22
- reenactments20
- refractively25
- refractivity24
- refractories18
- refractorily21
- regeneracies18
- relacquering29
- replacements23
- reproachable24
- retractility18
- retroactions16
- revaccinated24
- revaccinates23
- rubefacients23
- saccharified24
- saccharifies23
- saccharinity23
- saccharoidal22
- sacculations21
- sacerdotally20
- sacramentals20
- sacrednesses17
- sacrilegious19
- safecrackers25
- safecracking28
- satisfaction19
- satisfactory20
- semiabstract21
- semidetached22
- sequaciously29
- shacklebones26
- shamefacedly27
- shellackings26
- shellcracker26
- sidetracking23
- simoniacally23
- slavocracies23
- somnifacient23
- spaceflights26
- spacewalkers26
- spacewalking29
- spaciousness20
- spectaculars23
- sprachgefuhl29
- stagecoaches22
- steeplejacks32
- stereotactic18
- sticklebacks30
- stomachaches25
- straitjacket28
- stupefaction23
- subarachnoid23
- subcontracts23
- subglacially26
- subjacencies32
- subtractions20
- supremacists22
- switchbacked31
- syndactylies22
- syndactylism25
- tabernacling23
- tabernacular21
- tachycardias23
- tactlessness17
- tetracycline22
- tetradrachms21
- thermotactic23
- thoracically24
- thumbtacking31
- ticktacktoes26
- tobacconists22
- traceability21
- tracheitises17
- tracheophyte24
- tracheostomy22
- tracklayings25
- trackwalkers27
- tractability21
- transactions17
- transpacific25
- tumefactions23
- ultracareful22
- ultracompact26
- ultravacuums26
- unacceptable27
- unacceptably29
- unacclimated25
- unaccredited22
- unaccustomed25
- unacquainted29
- unattractive21
- unbreachable26
- uncomplacent28