13 letters
- dispraisingly23
- disqualifying33
- disquietingly30
- disrespecting23
- dissatisfying22
- disseminating21
- dissemination19
- disseminators18
- dissimilating21
- dissimulating22
- distinctively25
- distinguished21
- distinguishes20
- distractingly23
- distressingly20
- doctrinairism21
- dolphinfishes26
- domesticating23
- domiciliating24
- domineeringly24
- doughtinesses20
- dryopithecine25
- earthlinesses17
- easygoingness21
- eavesdropping27
- elderlinesses17
- electrocuting24
- electrolyzing32
- electrotyping25
- emarginations20
- emblematizing35
- encapsulating25
- encouragingly26
- endocrinology24
- enfranchising26
- enregistering19
- enshrinements21
- enterokinases19
- entertainment19
- eosinophilias20
- equilibrating30
- erythromycins26
- ethanolamines21
- etherealizing28
- etymologising24
- etymologizing33
- eugeosyncline24
- euthanatizing29
- everlastingly24
- examinational26
- exemplariness28
- expectorating29
- experimenting30
- expostulating28
- expropriating29
- exsanguinated26
- exsanguinates25
- extemporising29
- extemporizing38
- exteriorising23
- exteriorizing32
- exterminating27
- extermination25
- exterminators24
- exterminatory26
- externalising25
- externalizing34
- extinguishers26
- extinguishing29
- extraordinary24
- extrapolating27
- extravagating29
- extravasating27
- extrinsically28
- familiarising23
- familiarizing32
- fascinatingly26
- faultfindings26
- featherbrains22
- featheredging24
- feelingnesses21
- fellmongering27
- fellowshiping29
- feminizations30
- fianchettoing25
- fiberglassing25
- fibrinolysins24
- fictioneering23
- fidgetinesses20
- filibustering24
- finalizations28
- fingerpicking32
- fingerprinted24
- finicalnesses22
- finickinesses25
- firefightings26
- fittingnesses20
- flameproofing29
- flavoproteins25
- flightinesses22
- floodlighting26
- flourishingly26
- flowchartings28
- flowerinesses21
- fluorinations20
- fluoroscoping27
- fluphenazines34
- foolhardiness21
- foraminiferal24
- foraminiferan24
- foregathering23
- foregrounding24
- foreordaining21
- foreshadowing25
- forgivingness26
- formularizing33
- fountainheads22
- fractionating23
- fragmentating25
- fragmentizing34
- frankincenses26
- freethinkings26
- frighteningly27
- frustratingly23
- gainfulnesses22
- galactosamine23
- gemeinschafts27
- genitourinary20
- genuinenesses19
- germinability25
- gesticulating23
- ghastlinesses19
- ghostlinesses19
- gingerbreaded23
- glaringnesses20
- glassblowings26
- glasspapering25
- glycerinating25
- glycoproteins25
- glycosylating27
- gonadotrophin23
- gonadotropins21
- gourmandizing33
- graminivorous24
- grandstanding22
- griseofulvins25
- gristlinesses17
- grouchinesses22
- growthinesses21
- guanethidines21
- guesstimating22
- hairdressings19
- hairsplitting22
- hallucinating25
- hallucination23
- hallucinators22
- hallucinatory24
- hallucinogens25
- handwringings26
- hardstandings21
- harlequinades28
- haughtinesses21
- headshrinkers23
- healthinesses19
- heartbreaking25
- heartburnings23
- hectographing28
- heinousnesses18
- helicoptering25
- heliographing26
- helminthiases22
- helminthiasis22
- helminthology27
- hemagglutinin26
- herringboning25
- hierarchizing32
- histaminergic24
- historicizing30
- homeschooling27
- hominizations29
- hornswoggling27
- horsewhipping29
- hospitalising22
- hospitalizing31
- housebreaking26
- housecleaning24
- housekeepings26
- housepainters20
- housetraining20
- housewarmings25
- humiliatingly26
- hydrocracking31
- hydrogenating24
- hydroquinones30
- hydroxylamine32
- hydroxylating31
- hyperbolizing36
- hyperinflated26
- hyperkinesias25
- hypersalinity24