12 letters
- paradisiacal20
- paralanguage22
- paraldehydes22
- parallelisms21
- parallelling22
- paralyzation28
- paralyzingly33
- paramedicals23
- paranoically23
- paranormally23
- paratactical22
- parenterally20
- parfocalized32
- parfocalizes31
- parochialism24
- partialities16
- pastoralisms19
- pastoralists16
- pastoralness17
- paternalisms20
- paternalists17
- pathetically24
- pathological24
- pedantically24
- pedestalling21
- penalization27
- pentagonally23
- perceptional23
- perceptually26
- perichondral23
- periodically23
- peripherally24
- peritoneally20
- perorational17
- personalised18
- personalises17
- personalisms20
- personalists17
- personalized27
- personalizes26
- personalties17
- perspectival26
- pestilential18
- petrological22
- phenological25
- phenomenally26
- phenotypical27
- philological25
- phonemically28
- phonetically25
- phonological25
- phycological29
- phyletically27
- physicalisms26
- physicalists23
- physicalness24
- phytoalexins28
- pictorialism22
- pictorialist19
- pictorialize28
- pinealectomy25
- planetesimal21
- plasmalemmas26
- platitudinal20
- platonically24
- pneumococcal30
- poeticalness20
- politicalize29
- polyalcohols25
- polycrystals24
- polypetalous23
- polytonality22
- polyvalences27
- pontifically26
- populational22
- positionally20
- possessional17
- postbiblical26
- postcolonial21
- postdoctoral20
- posthospital21
- postimperial22
- postmedieval24
- postneonatal18
- postprandial21
- postsurgical22
- postvaccinal27
- potentiality19
- practicality24
- pralltriller19
- preallotting20
- precentorial20
- preceptorial22
- precessional20
- preferential20
- preinaugural21
- premalignant23
- premaritally22
- premenstrual21
- prequalified30
- prequalifies29
- prerehearsal18
- presbyterial21
- presidential18
- primordially23
- principality25
- procathedral22
- procedurally24
- processional20
- productional22
- professional20
- professorial19
- projectional29
- prolifically26
- pronominally24
- proportional20
- prosodically23
- prothalamion22
- prothalamium25
- prothalluses20
- protonematal20
- prototypical24
- proverbially26
- providential22
- provincially27
- provisionals21
- prudentially22
- pseudoallele20
- pseudopodial22
- psychosexual31
- psychosocial26
- puristically23
- pyromaniacal25
- quacksalvers34
- quadrennials26
- quadrivalent29
- qualmishness29
- quarterfinal27
- quasicrystal28
- quinquennial36
- quixotically36
- quizzicality46
- rabbinically26
- racewalkings26
- racquetballs30
- radicalising20
- radicalizing29
- radiological20
- rapscallions21
- rationalised15
- rationalises14
- rationalisms17
- rationalists14
- rationalized24
- rationalizer23
- rationalizes23
- rationalness15
- realignments20
- realizations23
- reallocating20
- reallocation18
- realpolitiks21
- reappraisals19
- recalcitrant20
- recalculated22
- recalculates21
- recalibrated20
- recalibrates19
- recanalizing29
- recapitalize28
- recessionals17
- rechallenged23
- rechallenges22
- reciprocally25
- recommittals22
- recreational17
- reescalating19
- reescalation17
- reevaluating21
- reevaluation19
- reflectional21
- regionalisms19
- regionalists16
- regionalized26
- regionalizes25
- reinstalling18
- relationally18
- renormalized27
- renormalizes26
- repetitional17
- reputational18
- requalifying31
- resocialized26
- resocializes25
- retaliations14
- retinotectal17
- revalidating21
- revalidation19
- revalorizing29
- revaluations19