15 letters
- desperatenesses20
- destabilization30
- desulfurization32
- determinateness21
- detoxifications30
- detribalization30
- devitrification27
- diagonalization30
- dichotomization34
- dictatorialness21
- differentiating26
- differentiation24
- digitalizations29
- dimenhydrinates26
- dinoflagellates25
- disaffiliations24
- disaggregations23
- disambiguations26
- disapprobations26
- disarticulating24
- disarticulation22
- disassociations20
- discombobulated31
- discombobulates30
- disconsolations22
- discontinuation23
- discriminations24
- disembarkations27
- disequilibrated31
- disequilibrates30
- disinclinations23
- disinfestations21
- disinflationary24
- disinformations24
- disintegrations20
- disintoxicating30
- disintoxication28
- disorganization29
- disorientations18
- disparatenesses20
- dispassionately23
- dissatisfaction23
- dissatisfactory24
- distemperatures23
- dithiocarbamate27
- diversification27
- documentational26
- dolomitizations30
- dramaturgically29
- echinodermatous26
- ecocatastrophes26
- educationalists22
- elaboratenesses20
- electrification26
- electronegative26
- emancipationist26
- emulsifications27
- encephalopathic33
- envenomizations34
- epigrammatizers35
- epigrammatizing38
- epitheliomatous25
- epithelizations31
- esterifications22
- etherealization28
- eutrophications25
- evangelizations33
- evocativenesses27
- exaggeratedness28
- excommunicating39
- excommunication37
- excommunicative40
- excommunicators36
- exemplification36
- experimentation30
- exponentiations28
- exsanguinations28
- extemporisation29
- extemporization38
- exteriorization32
- externalisation25
- externalization34
- familiarization32
- fanaticalnesses24
- fantastications23
- fatheadednesses23
- featherbeddings28
- featherstitched26
- featherstitches25
- federalizations30
- fictionizations32
- flirtatiousness21
- foreordinations21
- formularization33
- fortunatenesses21
- fraternizations29
- frenchification31
- fructifications29
- gelatinizations29
- generalisations20
- generalizations29
- gentrifications25
- geometrizations30
- grammaticalness28
- graphitizations32
- gravitationally26
- hemagglutinated28
- hemagglutinates27
- hematoporphyrin31
- hemochromatoses28
- hemochromatosis28
- hemoflagellates28
- heterochromatic28
- heterochromatin26
- histopathologic28
- homeopathically32
- homogenisations24
- homogenizations33
- hospitalization31
- humidifications29
- hydrostatically27
- hydroxyapatites32
- hydroxylapatite33
- hypercatabolism32
- hypercatalectic32
- hyperinflations28
- hypersalivation28
- hyperstimulated28
- hyperstimulates27
- hyperventilated29
- hyperventilates28
- hypostatization32
- identifications24
- idiomaticnesses23
- illegalizations30
- imaginativeness26
- imitativenesses23
- immaterialities22
- immaterializing34
- immediatenesses23
- immobilizations35
- immortalization32
- immunomodulator29
- immunopathology33
- implementations27
- implicativeness30
- importunateness24
- improvisational27
- improvisatorial26
- inanimatenesses21
- inappropriately28
- inattentiveness22
- incapacitations26
- incommunicative34
- incompatibility31
- inconsiderately24
- inconsideration22
- incoordinations22
- indemnification28
- indeterminately24
- indetermination22
- indigenizations30
- indoctrinations22
- infantilization31
- informationally27
- informativeness27
- initializations27
- inoperativeness24
- insatiabilities20
- insatiatenesses17
- inspirationally24
- instrumentation22
- insubordinately25
- insubordination23
- integrationists19
- intemperateness23
- intensification24
- interanimations21
- intercollegiate23
- intercorrelated21
- intercorrelates20
- interdigitating22
- interdigitation20
- interfraternity22
- intergeneration20
- intergradations20
- interiorization26
- interlineations19
- intermediations21
- intermodulation23
- internalization28
- internationally22
- interoperatives23
- interpellations22
- interpenetrated21
- interpenetrates20
- interpermeating25
- interpopulation25
- interpretations20
- interrogational20