16 letters
- intergenerations21
- intergradational22
- interiorizations27
- interjectionally34
- intermodulations24
- internalizations29
- internationalise20
- internationalism23
- internationalist20
- internationality22
- internationalize29
- interpenetrating24
- interpenetration22
- interpretational22
- interpretatively27
- intersexualities26
- intersterilities18
- interstimulation23
- interstratifying25
- interventionisms26
- interventionists23
- intervisitations22
- intolerabilities22
- intractabilities24
- intransitiveness23
- intransitivities22
- introspectionism27
- introspectionist24
- intussusceptions26
- irreducibilities25
- irrefutabilities24
- irremovabilities27
- irresistibleness21
- irrevocabilities27
- journalistically35
- jurisdictionally35
- justiciabilities33
- justifiabilities33
- latensifications25
- licentiousnesses23
- localizabilities34
- machineabilities29
- macroinstruction28
- magnetostriction26
- magnetostrictive29
- malapportionment31
- maldistributions26
- malpractitioners27
- manipulabilities29
- manipulativeness30
- marginalizations33
- masculinizations35
- materializations30
- mathematizations34
- mechanoreception32
- mechanoreceptive35
- meditativenesses25
- megacorporations28
- melodramatically31
- meristematically29
- metamathematical31
- meticulousnesses26
- microcirculation31
- microdissections27
- microinstruction28
- microprojections38
- militaristically27
- miniaturizations31
- misappropriating31
- misappropriation29
- miscommunication34
- misconstructions28
- misdistributions25
- mispronunciation29
- misrecollections28
- misregistrations22
- mistranscription27
- misvocalizations37
- monochromaticity33
- monopolistically31
- monosynaptically33
- monotheistically29
- montmorillonitic29
- motionlessnesses22
- multibillionaire27
- multicellularity30
- multiculturalism31
- multidimensional28
- multidirectional27
- multidisciplines30
- multifactorially31
- multifariousness26
- multihandicapped35
- multilateralisms26
- multilateralists23
- multilingualisms30
- multimillionaire27
- multiplicatively35
- multiprocessings30
- multiprogramming35
- municipalization38
- nationalizations29
- naturalistically26
- neoconservatisms28
- neoconservatives29
- nephrotoxicities32
- noncannibalistic30
- noncommunicating35
- noncommunication33
- noncommunicative36
- noncommutativity34
- nonconfrontation27
- nonconservations27
- nonconservatives30
- nonconstructions27
- noncontradiction27
- nondeductibility30
- nondestructively30
- nondeterministic26
- nondiscretionary25
- nondisjunctional35
- nonexploitations30
- nongravitational26
- noninstitutional22
- noninstructional25
- noninterventions25
- nonmaterialistic25
- nonmathematician30
- nonobjectivities37
- nonparticipating30
- nonparticipation28
- nonparticipatory29
- nonpartisanships27
- nonproliferation26
- nonrevolutionary27
- nullificationist27
- nutritiousnesses20
- objectifications38
- obstructionistic27
- oligomerizations32
- oligonucleotides26
- operationalistic24
- opinionativeness26
- organizationally33
- organoleptically30
- orthogenetically28
- ostentatiousness19
- osteoarthritides19
- overaccentuating31
- overapplications31
- overarticulating28
- overcompensating33
- overcompensation31
- overcomplicating36
- overconservative32
- overconstructing31
- overconsumptions32
- overcultivations30
- overelaborations25
- overenthusiastic27
- overexaggerating34
- overexaggeration32
- overexpectations34
- overexploitation32
- overgenerosities23
- overprescription30
- overproportioned28
- overspeculations29
- overstimulations26
- oversubscription31
- overutilizations32
- paedogenetically30
- paradigmatically32
- paradoxicalities31
- paramagnetically32
- parameterization32
- parametrizations32
- paraphrastically31
- parasympathetics32
- perceptibilities29
- perceptivenesses30
- perfectibilities29
- perfectivenesses30
- performabilities29
- periphrastically31
- permissibilities26
- personalizations31
- personifications27
- pertinaciousness25
- pharmaceutically35
- pharmacokinetics35
- philoprogenitive32
- phosphatizations36
- phosphocreatines30
- phosphorylations30
- photocoagulation29
- photocomposition31
- photoduplicating33
- photoduplication31
- photoexcitations32