15 letters
- inspirationally24
- institutionally22
- instrumentation22
- insubordination23
- insurrectionary23
- insurrectionist21
- integrationists19
- intensification24
- interanimations21
- intercommunions28
- intercomparison26
- interconnecting27
- interconnection25
- interconversion25
- interconverting27
- interdiffusions25
- interdigitation20
- interdivisional23
- interelectronic24
- intergeneration20
- intergradations20
- interiorization26
- interlineations19
- intermediations21
- intermodulation23
- internalization28
- internationally22
- interpellations22
- interpersonally24
- interpopulation25
- interpretations20
- interrogational20
- interventionism25
- interventionist22
- intervisitation21
- intraperitoneal21
- intrapopulation25
- introspectional24
- intussusception25
- investigational24
- ionospherically28
- irrationalistic20
- irrationalities17
- irreconcilables27
- juxtapositional37
- keratinizations30
- labyrinthodonts26
- latensification24
- lateralizations27
- legitimizations31
- lexicalisations28
- lexicalizations37
- liberalizations30
- lignosulfonates25
- literalizations27
- longsightedness25
- lyophilizations34
- lysogenizations31
- macroevolutions28
- maldistribution25
- malpractitioner26
- marginalization32
- masculinization34
- materialization29
- mathematization33
- megacorporation27
- metafictionists25
- microdissection26
- microelectronic29
- microevolutions28
- microinjections35
- microprojection37
- micropulsations27
- microtonalities23
- militarizations29
- millionairesses21
- mineralizations30
- miniaturization30
- misapplications29
- misapprehension28
- misattributions23
- miscalculations28
- miscegenational26
- miscomputations29
- misconstruction27
- miscorrelations23
- misdescriptions26
- misdistribution24
- misinformations26
- misorientations20
- misrecollection27
- misregistration21
- missionizations29
- mistranslations21
- misutilizations30
- misvocalization36
- mongrelizations32
- monochromatisms30
- monocrystalline27
- monomolecularly31
- mononucleotides26
- monopolizations33
- monopropellants28
- monosaccharides28
- monospecificity33
- monosyllabicity31
- monounsaturated23
- monounsaturates22
- monstrousnesses21
- montmorillonite25
- monumentalities25
- monumentalizing37
- morphophonemics35
- multidivisional27
- multifunctional30
- multiplications28
- musicalizations33
- myelencephalons32
- nationalization28
- naturalizations28
- neocolonialisms25
- neocolonialists22
- neoconservatism27
- neoconservative28
- neurosecretions21
- neutralizations28
- nonachievements30
- nonadditivities23
- nonagricultural26
- nonantagonistic24
- nonarchitecture26
- nonaristocratic23
- nonastronomical25
- nonavailability28
- nonbarbiturates24
- nonbelligerency30
- nonbelligerents25
- nonbiographical31
- nonbiologically30
- noncarcinogenic30
- noncelebrations25
- noncertificated27
- noncoincidences29
- noncombustibles31
- noncompressible30
- noncomputerized37
- nonconcurrences29
- nonconfidential27
- nonconformances31
- nonconformities27
- nonconservation26
- nonconservative29
- nonconsolidated24
- nonconstruction26
- nonconstructive29
- nonconsumptions29
- noncontemporary29
- noncontributory27
- noncontrollable27
- nonconventional28
- noncooperations24
- noncorrelations22
- noncreativities24
- noncredentialed24
- noncultivations27
- nondepartmental26
- nondevelopments30
- nondisjunctions33
- nonelectrolytes24
- nonencapsulated27
- nonenforcements28
- nonengineerings24
- nonequilibriums35
- nonequivalences36
- nonexperimental32
- nonexploitation29
- nonexploitative32
- nonflammability33
- nonfulfillments31
- nongovernmental29
- nonhierarchical28
- nonhospitalized33
- nonimplications28
- nonimportations24
- nonindependence28
- noninflammatory30
- noninflationary25
- noninflectional27
- noninformations25
- noninsecticidal26
- noninstrumental24
- nonintellectual25
- nonintercourses22
- noninterference25
- nonintersecting24
- nonintervention24
- nonintimidating25
- nonintoxicating31
- noninvolvements31
- nonmathematical29