11 letters
- diaphoretic20
- dichromatic23
- dilatometer16
- dilatometry18
- dimercaprol22
- directorate15
- directorial16
- eclecticism24
- econometric21
- ectomorphic25
- ectopically24
- ectoplasmic24
- ectothermic22
- ectotrophic22
- editorially16
- eidetically19
- elastomeric18
- electorally19
- electorates15
- electrician19
- electricity20
- electrocute19
- electroform21
- electrogram20
- electrology20
- electrolyte18
- electrolyze27
- electrotype20
- elementally20
- ellipticals20
- ellipticity21
- emotionally19
- empirically24
- enterococci21
- enteropathy19
- entomophily23
- ephemerally23
- epiphytotic24
- epithalamic23
- epithelioma20
- epithetical20
- eristically18
- erratically18
- erythorbate18
- erythremias18
- erythrismal19
- erythristic18
- erythrocyte20
- ethereality16
- ethological20
- etiological18
- eucalyptole22
- euchromatic23
- eurythermal20
- eurythermic22
- exemplarily28
- exemplarity27
- exhortatory22
- expectorate24
- explicatory27
- exploratory24
- extemporary26
- exteriority20
- felicitator18
- gametophore21
- gametophyte23
- geochemical25
- geometrical20
- haecceities19
- halomorphic25
- haloperidol19
- heartsomely19
- hectoliters17
- hectometers19
- helicopters20
- heliometers17
- heliometric20
- heliotropes17
- heliotropic20
- hematocrits19
- hematologic22
- hemophiliac25
- hemopoietic22
- hemoprotein20
- hepatectomy24
- hepatocytes21
- hepatotoxic26
- heptameters19
- heretically20
- herpetology21
- heteroatoms16
- heteroclite17
- heterocycle22
- heteroecism19
- heterolytic19
- heterophile19
- heteroploid18
- heterospory18
- heterotopic19
- heterotroph18
- heterotypic21
- homeopathic24
- homeostatic19
- homicidally24
- homiletical21
- homological23
- homoplastic23
- homopolymer25
- homothallic23
- horological20
- horseplayer19
- hortatively20
- hospitality19
- hydrometeor19
- hydrometric22
- hydrotropic22
- hygrometric23
- hymenoptera22
- hyperactive25
- hypercritic24
- hypermarket25
- hypermeters21
- hypermetric24
- hyperstatic21
- hypocentral23
- hypokalemic29
- hypothecate23
- hypothermal24
- hypothermia23
- hypothermic26
- hypsometric24
- illiterates13
- immortality20
- impartially21
- impatiently21
- imperfectly26
- imperforate20
- impetration18
- impolitical22
- impoliticly24
- importantly21
- importation18
- impractical24
- imprecation21
- imprecatory22
- imprecisely23
- impropriety22
- incorporate18
- incorporeal19
- incorrectly21
- intemperate18
- interatomic18
- intercepter18
- interceptor18
- intercooler16
- intercrater15
- interpolate16
- interpreter15
- interrelate13
- intricately18
- isoelectric18
- iteratively18
- ithyphallic25
- kilocalorie20
- laccolithic24
- lachrymator22
- lamellicorn21
- lamplighter23
- leatherlike19
- legitimator17
- lethalities15
- letterspace18
- lithotomies17
- lithotripsy19
- loathsomely20
- logarithmic22
- luteotropic19
- lycanthrope23
- lymphocytic30
- lyophilizer29
- macrobiotic23
- macrocyclic29
- macrophytes24
- macrophytic27
- macroscopic26
- madreporite18
- maledictory21
- malpractice24
- mantelpiece22
- masterpiece20
- materiality17
- meiotically21
- melancholic25
- melanophore21
- melioration16
- meliorative19
- meliorators15
- melodically23
- meltability21
- mercenarily21