15 letters
- informativeness27
- inhomogeneities24
- inhospitalities22
- initializations27
- inoperativeness24
- inquisitiveness31
- insatiabilities20
- insatiatenesses17
- insensibilities21
- insensitiveness22
- insensitivities21
- insociabilities23
- inspirationally24
- instantaneities18
- institutionally22
- instructiveness25
- instrumentation22
- insubordination23
- insurrectionary23
- insurrectionist21
- intangibilities23
- integrabilities22
- integrationists19
- intensification24
- interanimations21
- interconnecting27
- interconnection25
- interconverting27
- interdigitating22
- interdigitation20
- interestingness20
- intergeneration20
- intergradations20
- interiorization26
- interlineations19
- intermediations21
- intermodulation23
- internalization28
- internationally22
- internucleotide23
- interoperatives23
- interpellations22
- interpermeating25
- interpopulation25
- interpretations20
- interrogational20
- interrogatively25
- interscholastic25
- interstratified20
- interstratifies19
- intersubjective36
- interventionism25
- interventionist22
- intervisitation21
- intrapopulation25
- introspectional24
- introspectively29
- intuitivenesses22
- intussuscepting27
- intussusception25
- intussusceptive28
- invariabilities24
- invectivenesses28
- inventivenesses26
- investigational24
- invincibilities28
- inviolabilities25
- irrationalistic20
- irrationalities17
- irresistibility21
- jurisprudential32
- juxtapositional37
- keratinizations30
- kinesthetically29
- latensification24
- lateralizations27
- latitudinarians20
- legitimizations31
- lexicalisations28
- lexicalizations37
- liberalizations30
- literalizations27
- litigiousnesses20
- lucrativenesses25
- lymphadenitises28
- lyophilizations34
- lysogenizations31
- machinabilities28
- macroevolutions28
- magistratically27
- maldistribution25
- malpractitioner26
- manageabilities25
- marginalization32
- marketabilities26
- martensitically26
- masculinization34
- masochistically30
- materialization29
- mathematization33
- measurabilities23
- mechanistically31
- megacorporation27
- melodramatising26
- melodramatizing35
- mensurabilities24
- meroblastically29
- metafictionists25
- metalinguistics26
- metamathematics29
- metastabilities22
- microanalytical29
- microdissection26
- microevolutions28
- microinjections35
- micrometeoritic27
- microporosities24
- microprojection37
- micropulsations27
- microtonalities23
- militarizations29
- mineralizations30
- miniaturization30
- misapplications29
- misarticulating26
- misattributions23
- miscalculations28
- miscegenational26
- miscomputations29
- misconstruction27
- miscorrelations23
- misdescriptions26
- misdistribution24
- misinformations26
- misinterpreting25
- misorientations20
- misrecollection27
- misregistration21
- misrepresenting25
- missionizations29
- mistranslations21
- misutilizations30
- misvocalization36
- modifiabilities26
- mongrelizations32
- monochromatisms30
- mononucleotides26
- monopolizations33
- monumentalities25
- multidiscipline29
- multidivisional27
- multifunctional30
- multilateralism25
- multilateralist22
- multilingualism29
- multimillennial28
- multiplications28
- multipolarities24
- multiprocessing29
- multiprocessors26
- multiracialisms27
- multitudinously27
- multiwavelength33
- musicalizations33
- nationalization28
- naturalizations28
- necromantically30
- negligibilities25
- negotiabilities22
- neoconservatism27
- neoconservative28
- neuroscientific27
- neuroscientists21
- neurosecretions21
- neurotoxicities27
- neutralizations28
- nonadditivities23
- nonantagonistic24
- nonaristocratic23
- noncelebrations25
- noncertificated27
- noncombustibles31
- nonconfidential27
- nonconformities27
- nonconservation26
- nonconservative29
- nonconstruction26
- nonconstructive29
- nonconsumptions29
- nonconventional28
- noncooperations24
- noncorrelations22
- noncreativities24
- noncredentialed24
- noncultivations27
- nondisjunctions33
- nonexploitation29
- nonexploitative32
- nonimplications28
- nonimportations24