Mammoth Uncensored Word List:
80 - 16 letter words starting with di

diabolicalnesses diagonalizations diagrammatically diaphanousnesses diastereoisomers dichlorobenzenes dichotomizations differentiations diffractometries digressivenesses dihydroxyacetone dimensionalities diminutivenesses diphenhydramines diphthongization directionalities disafforestation disafforestments disagreeableness disarticulations disassimilations disciplinarities discolorizations discolourisation discolourization discomboberating discombobulating discombobulation discommendations disconcertedness disconnectedness disconsolateness discontentedness discontinuations discountenancing discourteousness discriminability discriminatingly discriminational discriminatorily discursivenesses disdainfulnesses disenfranchising disentanglements disequilibrating disequilibration disestablishment disfranchisement dishonorableness disillusionments disingenuousness disintoxications disjointednesses disorderednesses disorderlinesses disorganizations dispensabilities dispersivenesses dispiritednesses disproportionate disproportioning disputatiousness disqualification disreputableness disruptivenesses dissatisfactions dissipatednesses dissociabilities dissolvabilities dissuasivenesses dissymmetrically distensibilities distributivities distributorships dithiocarbamates diversifications diverticulectomy diverticulitides diverticulitises diverticulosises