16 letters
- interpretability26
- interpretational22
- interpretatively27
- interrelatedness20
- intersexualities26
- intersterilities18
- interstimulation23
- interstratifying25
- interterritorial18
- intertestamental22
- interventionisms26
- interventionists23
- interventricular27
- intervisitations22
- intervocalically32
- intolerabilities22
- intolerantnesses20
- intractabilities24
- intracutaneously26
- intramolecularly29
- intransitiveness23
- intransitivities22
- intrapsychically34
- intraventricular27
- introspectionism27
- introspectionist24
- intussusceptions26
- invaluablenesses28
- invinciblenesses30
- inviolablenesses27
- invulnerableness29
- irreducibilities25
- irrefutabilities24
- irremediableness25
- irremovabilities27
- irreplaceability29
- irrepressibility25
- irresistibleness21
- irresolutenesses19
- irresponsibility26
- irresponsiveness25
- irretrievability26
- irrevocabilities27
- journalistically35
- jurisdictionally35
- justiciabilities33
- justifiabilities33
- knowledgeability34
- landlubberliness29
- lasciviousnesses26
- latensifications25
- leukodystrophies30
- libidinousnesses24
- licentiousnesses23
- lightheartedness25
- lithographically33
- localizabilities34
- loquaciousnesses32
- lugubriousnesses26
- lymphangiography39
- machineabilities29
- macroinstruction28
- macrolepidoptera30
- magnetostriction26
- magnetostrictive29
- majoritarianisms32
- maladministering28
- malapportionment31
- maldistributions26
- malpractitioners27
- manipulabilities29
- manipulativeness30
- marginalizations33
- masculinizations35
- materializations30
- mathematizations34
- meaningfulnesses29
- mechanochemistry35
- mechanoreception32
- mechanoreceptive35
- meditativenesses25
- megacorporations28
- megalomaniacally33
- megasporogenesis27
- melodramatically31
- mendaciousnesses26
- meretriciousness24
- meristematically29
- metamathematical31
- metapsychologies32
- meteorologically29
- methamphetamines33
- methodicalnesses27
- methodologically32
- methylphenidates31
- meticulousnesses26
- microcalorimeter29
- microcalorimetry31
- microcircuitries29
- microcirculation31
- microcirculatory32
- microcrystalline30
- microdissections27
- microearthquakes38
- microelectronics30
- microencapsulate31
- microenvironment32
- microgametocytes32
- micrographically36
- microinstruction28
- microlepidoptera30
- micromanagements32
- micromanipulator31
- micrometeorology30
- microphotographs34
- microphotography36
- microphotometers30
- microphotometric33
- microprogramming36
- microprojections38
- micropublishings35
- microradiographs30
- microradiography32
- microsporangiate28
- microsporophylls34
- microvasculature32
- militaristically27
- miniaturizations31
- miraculousnesses26
- misanthropically32
- misapprehensions29
- misappropriating31
- misappropriation29
- mischaracterized37
- mischaracterizes36
- miscommunication34
- miscomprehension32
- misconstructions28
- misdistributions25
- mispronunciation29
- misrecollections28
- misregistrations22
- mistranscription27
- misunderstanding27
- misvocalizations37
- monochromaticity33
- monopolistically31
- monosyllabically34
- monosynaptically33
- monotheistically29
- montmorillonites26
- montmorillonitic29
- morphometrically34
- motionlessnesses22
- multibillionaire27
- multicellularity30
- multiculturalism31
- multidimensional28
- multidirectional27
- multidisciplines30
- multifactorially31
- multifariousness26
- multihandicapped35
- multilateralisms26
- multilateralists23
- multilingualisms30
- multimillionaire27
- multiplicatively35
- multiprocessings30
- multiprogramming35
- municipalization38
- mysteriousnesses23
- nanotechnologies27
- nationalizations29
- naturalistically26
- necessitarianism24
- neighborlinesses26
- neoconservatisms28
- neoconservatives29
- nephrotoxicities32
- neurasthenically28
- neurochemistries26
- neurohypophysial33
- neuropathologies26
- neuropathologist26
- neurophysiologic31
- neuropsychiatric31
- neuroradiologies22
- neuroradiologist22
- neurotransmitter22
- newsworthinesses26
- nonarbitrariness22
- nonarchitectures27
- nonauthoritarian22
- nonbibliographic35
- nonbiodegradable29
- noncannibalistic30
- nonchronological31
- noncommunicating35
- noncommunication33