13 letters
- energetically23
- enigmatically26
- enzymatically35
- epileptically27
- epiphytically30
- epistemically26
- equidistantly28
- equipollently32
- ergonomically26
- etiologically23
- evangelically28
- everlastingly24
- exaggeratedly28
- exasperatedly27
- exceptionably33
- exceptionally31
- exhaustlessly27
- existentially25
- expeditiously28
- explanatively32
- explanatorily28
- explicatively34
- exploratively31
- exponentially29
- extemporarily29
- extensionally26
- extravagantly30
- extrinsically28
- facultatively28
- fantastically24
- fascinatingly26
- fascistically26
- faunistically25
- fibrinolysins24
- flirtatiously21
- floristically24
- flourishingly26
- foresightedly24
- formulaically28
- fragmentarily25
- freeheartedly22
- frighteningly27
- frustratingly23
- fundamentally27
- genotypically28
- geochemically30
- geometrically25
- geophysically29
- geotropically25
- glycerinating25
- glycopeptides28
- glycoproteins25
- glycosylating27
- glycosylation25
- gradationally21
- grammatically28
- grandfatherly25
- grandmotherly25
- graphemically30
- gymnastically28
- halfheartedly25
- hardheartedly22
- heuristically23
- hieroglyphics28
- homogeneously25
- homologically28
- homopolymeric30
- honorifically26
- humiliatingly26
- hydraulically27
- hyperglycemia31
- hyperglycemic34
- hypoglycemias31
- hypoglycemics34
- ideologically24
- idiomatically24
- ignominiously24
- illustriously20
- imaginatively26
- imagistically25
- impecuniously28
- imperceptibly31
- impermanently27
- impermissibly28
- impertinently24
- imperturbably29
- implicatively30
- impolitically27
- importunately24
- impracticably31
- impractically29
- improvidently28
- inadvertently23
- inappreciably29
- inattentively22
- incompetently27
- inconceivably31
- incongruently25
- incongruously25
- incontestably24
- incontinently23
- inconvertibly28
- incorporeally24
- incorruptibly27
- incredulously24
- incrementally25
- indefatigably26
- independently24
- indescribably27
- indifferently25
- indispensably25
- indissociably24
- industriously20
- ineffectively30
- ineffectually28
- inefficiently27
- inexhaustibly30
- inexpediently29
- inexpensively32
- inexpressibly30
- inferentially22
- influentially24
- informatively27
- informatorily23
- infuriatingly24
- injudiciously32
- inoffensively28
- inopportunely25
- inorganically24
- inquisitively31
- inscriptively27
- insensitively22
- insinuatingly22
- inspiritingly23
- instinctively25
- instinctually23
- instructively25
- insupportably27
- insusceptibly27
- intelligently22
- intemperately23
- intensionally20
- intentionally20
- interactively24
- interdentally20
- interestingly20
- interlinearly19
- interracially21
- intersexually26
- intoxicatedly28
- intradermally22
- intraocularly22
- intrathecally23
- intravenously23
- intrinsically22
- inventorially23
- involuntarily24
- ipsilaterally21
- irreclaimably26
- irrecoverably26
- irreligiously20
- irreplaceably26
- irrepressibly22
- irresponsibly23
- irretrievably23
- isochronously23
- isometrically23
- isosmotically23
- isostatically20
- judgmatically36
- kindheartedly25
- kinematically28
- knowledgeably31
- languishingly26
- latitudinally21
- legislatively24
- lethargically25
- lycanthropies25
- lymphadenitis26
- lymphatically31
- lymphoblastic31
- lymphocytoses29
- lymphocytosis29
- lymphographic34
- lymphomatoses27
- lymphomatosis27
- lymphosarcoma30
- lyricalnesses21
- lysolecithins23
- magisterially22
- magnanimously27
- magnificently29
- matrilineally22
- matrimonially24
- meaninglessly24
- mellifluently27
- mellifluously27
- meritoriously20
- metabolically27
- metamerically26