13 letters
- inexactitudes26
- inexactnesses25
- interactional19
- interactively24
- intergalactic23
- interglacials21
- interlacement22
- interracially21
- intracellular21
- intracerebral21
- intragalactic23
- intrathoracic22
- irreplaceable24
- irreplaceably26
- jackhammering40
- kleptomaniacs28
- lackadaisical26
- lactobacillus26
- lactoglobulin26
- letterspacing23
- liquefactions31
- machicolation26
- machinability28
- macroeconomic29
- macroglobulin28
- macromolecule28
- macronutrient22
- malacological27
- malacologists23
- malacostracan24
- manufactories24
- manufacturers25
- manufacturing28
- maxillofacial32
- megalomaniacs26
- melancholiacs27
- meritocracies22
- metacercariae22
- metacercarial23
- metachromatic27
- methacrylates24
- misplacements27
- multitracking28
- mycobacterial28
- mycobacterium31
- necrophiliacs26
- nonacceptance28
- nonaccredited23
- nonattachment24
- noncharacters23
- nondetachable25
- nonpracticing27
- nonretractile19
- nymphomaniacs31
- olfactometers23
- oracularities18
- osteomalacias20
- outplacements25
- overabstracts23
- overachievers26
- overachieving29
- overbleaching29
- overpackaging32
- overreactions21
- oxaloacetates24
- pacifications26
- packabilities27
- packinghouses29
- peaceableness24
- peacekeepings29
- perissodactyl23
- perspicacious26
- pertinacities20
- petrifactions23
- pharmacognosy29
- pharmacologic30
- pharmacopeial28
- pharmacopeias27
- pharmacopoeia27
- photoreaction22
- placabilities24
- placentations22
- plantocracies24
- polydactylies26
- postfractures23
- practicalness24
- practitioners20
- preachinesses22
- prolificacies26
- prophylactics30
- prostacyclins26
- protactiniums24
- proteinaceous21
- putrefactions24
- quarterbacked34
- racemizations29
- radioactively24
- radioactivity23
- rapaciousness21
- rarefactional21
- reaccelerated21
- reaccelerates20
- reacclimatize32
- reaccrediting23
- reacquainting30
- reacquisition27
- reactionaries17
- reactivations21
- reattachments22
- refractometer22
- refractometry24
- remanufacture25
- reproachfully29
- reproachingly27
- retroactively23
- retroactivity22
- revaccinating27
- revaccination25
- saccharifying29
- saccharimeter24
- saccharometer24
- saccharomyces29
- sacerdotalism21
- sacerdotalist18
- sacramentally24
- sacrificially26
- sacrosanctity22
- safecrackings29
- sagaciousness20
- salaciousness19
- satisfactions20
- schoolteacher24
- shellcrackers27
- somnifacients24
- spectacularly27
- sprachgefuhls30
- stercoraceous20
- straightlaced22
- straitjackets29
- straitlacedly21
- stratocracies19
- stupefactions24
- subacidnesses22
- subcontracted25
- subcontractor24
- subcoriaceous24
- subliteracies21
- superachiever26
- superactivity26
- switchbacking34
- syndactylisms26
- syntactically26
- tachistoscope24
- taciturnities18
- tactfulnesses22
- teachableness23
- technocracies25
- telefacsimile24
- tenaciousness19
- tetrachloride20
- tetracyclines23
- thalassocracy24
- thoracotomies21
- thoroughbrace26
- tracheophytes25
- tracheotomies21
- tractableness21
- transactinide19
- transactional19
- transthoracic22
- treacherously22
- trisaccharide22
- ultracautious20
- ultracritical22
- unaccompanied29
- unaccountable27
- unaccountably29
- underachieved26
- underachiever25
- underachieves25
- underactivity25
- underreacting22
- undersurfaces23
- unimpeachable30
- unimpeachably32
- unspectacular26
- vacationlands24
- vacillatingly28
- vacuousnesses23
- veraciousness22
- vernacularism26
- vivaciousness26
- voraciousness22
- zygodactylous34