12 letters
- deoxyriboses25
- dermatitises16
- desecrations17
- desegregated18
- desegregates17
- desensitized24
- desensitizer23
- desensitizes23
- deservedness19
- desexualized32
- desexualizes31
- despisements20
- dessertspoon17
- detasselling18
- devoutnesses19
- diagnoseable20
- dichlorvoses23
- dilutenesses16
- dipeptidases20
- diplodocuses22
- directnesses17
- directresses16
- disassembled21
- disassembles20
- disbursement21
- diseconomies20
- disembarking26
- disembarrass19
- disembodying25
- disemboguing25
- disemboweled24
- disenchanted21
- disenchanter20
- disencumbers24
- disendowment22
- disentailing18
- disentangled19
- disentangles18
- disenthralls18
- disentitling18
- disestablish19
- disesteeming19
- disfranchise22
- disguisement20
- dismalnesses18
- dispossessed17
- dispossesses16
- dispossessor16
- disseminated18
- disseminates17
- disseminator17
- disseminules19
- dissentients15
- dissepiments20
- dissertating16
- dissertation14
- dissertators13
- disseverance21
- disseverment21
- doggednesses19
- doublenesses19
- dovishnesses20
- draftinesses17
- dreaminesses17
- drearinesses14
- dressinesses14
- drivennesses19
- drowsinesses17
- earthinesses15
- earwitnesses16
- ediblenesses18
- educationese18
- effetenesses19
- elatednesses15
- electrolyses19
- empressement22
- endodermises18
- endonuclease20
- endorsements18
- enfranchised23
- enfranchises22
- enterobiases16
- enterokinase18
- enterprisers16
- entirenesses14
- epiglottises18
- erysipelases18
- essentialism17
- essentialist14
- essentiality16
- essentialize23
- etymologised21
- etymologises20
- eucalyptuses23
- exonucleases25
- exopeptidase26
- exoticnesses23
- expertnesses23
- extemporised26
- extemporises25
- exteriorised20
- exteriorises19
- externalised22
- externalises21
- extrasensory22
- eyewitnesses18
- facilenesses20
- fallownesses21
- familiarised20
- familiarises19
- famousnesses20
- fascioliases19
- faultinesses18
- feeblenesses20
- feistinesses16
- femalenesses20
- femtoseconds23
- fervidnesses21
- fiberglassed22
- fiberglasses21
- fibreglasses21
- fibrinolyses22
- fibrositises18
- ficklenesses24
- fictionalise20
- fiercenesses19
- filmsettings22
- filthinesses19
- finitenesses17
- fitfulnesses21
- flabbinesses23
- flashinesses19
- fleshinesses19
- flimsinesses20
- flintinesses18
- floppinesses23
- floridnesses18
- fluffinesses24
- folksinesses21
- formalnesses20
- frankincense25
- freakinesses20
- fricasseeing21
- frigidnesses19
- friskinesses20
- frizzinesses34
- frostinesses16
- frothinesses18
- frozennesses26
- fruitinesses17
- furunculoses23
- futilenesses18
- galactosemia21
- galactosemic24
- garishnesses17
- gauchenesses21
- gentlenesses17
- gesellschaft24
- giftednesses19
- gingivitises21
- glassinesses16
- gloominesses19
- glossinesses16
- glucokinases24
- glucosidases20
- glutaminases20
- glycogeneses23
- glycosidases21
- goldennesses18
- gooseberries17
- goosefleshes20
- goosegrasses16
- gourmandises20
- graininesses16
- greasepaints18
- greaseproofs20
- greasinesses15
- greedinesses16
- griseofulvin24
- grislinesses16
- grittinesses15
- grogginesses19
- groundmasses20
- growlinesses19
- grubbinesses22
- grumpinesses22
- guiltinesses17
- hairdressers15
- hallucinoses21
- handednesses18
- hantaviruses20
- hasenpfeffer27
- heartinesses15
- hemodialyses21
- heterosexual23
- hiddennesses18
- hippienesses21
- histaminases18
- histogeneses17
- hoarsenesses15