13 letters
- intertillages18
- intertropical21
- intertwisting20
- interventions20
- interworkings24
- intoxicatedly28
- intricateness18
- invertebrates21
- inviolateness20
- ipsilaterally21
- isoproterenol18
- jitterbugging33
- jitterinesses23
- jointednesses25
- kapellmeister25
- kindergartens22
- kindheartedly25
- kittenishness21
- laterizations24
- laureateships20
- lepidopterans22
- lepidopterist21
- lepidopterous22
- letterboxings27
- letterpresses17
- letterspacing23
- lieutenancies20
- limitednesses19
- listenerships20
- literalnesses16
- lithotripters19
- luncheonettes22
- luteinization26
- luteotrophins21
- magisterially22
- magnetometers22
- maladminister22
- manslaughters23
- mantelshelves25
- masterfulness22
- masterminding24
- mastersingers19
- masterstrokes20
- materfamilias23
- materialising20
- materialistic20
- materialities17
- materializers26
- materializing29
- matriarchates21
- mediterranean19
- megakaryocyte29
- metaphosphate26
- metencephalic29
- metencephalon27
- meteoriticist19
- meteorologies19
- meteorologist19
- methacrylates24
- methotrexates25
- microcassette22
- microclimates26
- microcomputer29
- microinjected33
- micropipettes25
- microtechnics28
- midafternoons22
- minicomputers27
- ministerially21
- misarticulate21
- misattributed21
- misattributes20
- miscalculated26
- miscalculates25
- misinterprets20
- misregistered19
- misstatements20
- mistranslated19
- mistranslates18
- mononucleated24
- mountebankery28
- mountebanking29
- mouthwatering25
- multinucleate24
- multitalented21
- multiterminal23
- mycobacterial28
- mycobacterium31
- nearsightedly22
- nephelometers23
- nonaccredited23
- nonaffiliated23
- nonarchitects23
- nonassociated19
- nonattendance21
- noncandidates21
- noncharacters23
- noncollegiate22
- nonconjugated32
- noncultivated25
- nondegenerate19
- nondeliberate20
- nonesterified19
- nonexistences26
- nonfilterable23
- nonhysterical23
- nonintegrated19
- nonirradiated17
- nonmyelinated23
- nonpersistent19
- nonphosphates25
- nonrestricted19
- nonsegregated20
- nonsystematic23
- normotensives22
- northeasterly19
- northwesterly22
- nucleoprotein23
- obliterations18
- obstetrically23
- obstetricians20
- obstinateness18
- olfactometers23
- omnicompetent27
- openheartedly23
- opinionatedly22
- orchestraters18
- orienteerings17
- orthopterists18
- orthopteroids19
- osteomalacias20
- osteomyelitis19
- osteoplasties17
- osteosarcomas19
- outglittering20
- outmanipulate23
- overattention19
- overcommitted27
- overcorrected24
- overdecorated22
- overdecorates21
- overelaborate21
- overestimated21
- overestimates20
- overexploited29
- overextending29
- overextension26
- overharvested24
- overinsistent19
- overintensity21
- overmastering23
- overmedicated25
- overmedicates24
- overmodulated24
- overpopulated26
- overpopulates25
- overprotected24
- overregulated22
- overregulates21
- oversaturated19
- oversaturates18
- overspeculate25
- overstatement21
- overstimulate22
- oversweetened22
- overtightened23
- overwintering24
- oxaloacetates24
- oystercatcher23
- painterliness19
- pamphleteered26
- pantechnicons27
- pantothenates20
- parameterized29
- parameterizes28
- passementerie20
- patentability23
- paterfamilias23
- paternalistic21
- patriarchates21
- penetrometers20
- penitentially22
- penultimately25
- permanganates23
- persistencies20
- pervertedness22
- phalansteries20
- phanerophytes26
- phosphorylate26
- photodetector22
- photosynthate23
- phreatophytes25
- phytoplankter29
- piteousnesses18
- planetesimals22
- plasterboards21
- plenteousness20
- pointednesses19
- polycarbonate26
- postdebutante22