15 letters
- exceptionalness31
- excommunication37
- exemplification36
- exhibitionistic31
- experimentation30
- exponentiations28
- expressionistic29
- exsanguinations28
- extemporisation29
- extemporization38
- exteriorization32
- externalisation25
- externalization34
- familiarization32
- fantastications23
- fashionableness26
- federalizations30
- fictionizations32
- foreordinations21
- formularization33
- fractionalizing35
- fraternizations29
- frenchification31
- fructifications29
- functionalistic28
- functionalities25
- gelatinizations29
- generalisations20
- generalizations29
- gentrifications25
- geometrizations30
- graphitizations32
- gravitationally26
- homogenisations24
- homogenizations33
- hospitalization31
- humidifications29
- hypercorrection29
- hyperexcretions33
- hyperextensions31
- hyperfunctional32
- hyperinflations28
- hyperinvolution30
- hyperproduction31
- hypersalivation28
- hypersecretions26
- hypostatization32
- identifications24
- illegalizations30
- immobilizations35
- immortalization32
- immunodiffusion32
- implementations27
- impressionistic25
- improvisational27
- incapacitations26
- incomprehension29
- inconsideration22
- incoordinations22
- indemnification28
- indetermination22
- indigenizations30
- indoctrinations22
- infantilization31
- informationally27
- initializations27
- inspirationally24
- institutionally22
- instrumentation22
- insubordination23
- insurrectionary23
- insurrectionist21
- integrationists19
- intensification24
- interanimations21
- intercommunions28
- interconnection25
- interconversion25
- interdiffusions25
- interdigitation20
- interdivisional23
- intergeneration20
- intergradations20
- interiorization26
- interlineations19
- intermediations21
- intermodulation23
- internalization28
- internationally22
- interpellations22
- interpopulation25
- interpretations20
- interrogational20
- interventionism25
- interventionist22
- intervisitation21
- intrapopulation25
- introspectional24
- intussusception25
- investigational24
- ionospherically28
- irrationalistic20
- irrationalities17
- juxtapositional37
- keratinizations30
- latensification24
- lateralizations27
- legitimizations31
- lexicalisations28
- lexicalizations37
- liberalizations30
- literalizations27
- lyophilizations34
- lysogenizations31
- macroevolutions28
- maldistribution25
- malpractitioner26
- marginalization32
- masculinization34
- materialization29
- mathematization33
- megacorporation27
- metafictionists25
- microdissection26
- microevolutions28
- microinjections35
- microprojection37
- micropulsations27
- militarizations29
- millionairesses21
- mineralizations30
- miniaturization30
- misapplications29
- misapprehension28
- misattributions23
- miscalculations28
- miscegenational26
- miscomputations29
- misconstruction27
- miscorrelations23
- misdescriptions26
- misdistribution24
- misinformations26
- misorientations20
- misrecollection27
- misregistration21
- missionizations29
- mistranslations21
- misutilizations30
- misvocalization36
- mongrelizations32
- monopolizations33
- multidivisional27
- multifunctional30
- multiplications28
- musicalizations33
- nationalization28
- naturalizations28
- neurosecretions21
- neutralizations28
- noncelebrations25
- nonconservation26
- nonconstruction26
- nonconsumptions29
- nonconventional28
- noncooperations24
- noncorrelations22
- noncultivations27
- nondisjunctions33
- nonexploitation29
- nonimplications28
- nonimportations24
- noninflationary25
- noninflectional27
- noninformations25
- nonintervention24
- nonoccupational29
- nonprescription27
- nonprofessional25
- nonrecognitions24
- nonsegregations22
- nonstationaries18
- novemdecillions30
- objectification37
- observationally27
- obstructionisms26
- obstructionists23
- oligomerization31
- omnidirectional25
- operationalisms23
- operationalists20
- opinionatedness22
- orchestrational22
- orientationally21
- osmoregulations23
- overapplication30
- overconsumption31
- overcorrections26
- overcultivation29
- overdecorations24