12 letters
- habilitating21
- habilitation19
- habitability23
- habitualness20
- habituations19
- hairsplitter18
- handwritings22
- hatchability25
- hellgrammite24
- hemstitchers22
- hemstitching25
- hereditament19
- hereditarian16
- hereditarily18
- heritability20
- hesitatingly20
- heteroclites18
- hexobarbital28
- homozygosity32
- honorability21
- hospitalised19
- hospitalises18
- hospitalized28
- hospitalizes27
- housesitting18
- humanitarian20
- hyperacidity25
- hypercritics25
- hyperexcited30
- hypochlorite25
- hypocritical26
- hypotonicity25
- ignitability21
- ignobilities19
- illegalities17
- illegibility22
- illegitimacy24
- illegitimate19
- illiberality20
- illiteracies17
- illiterately17
- illogicality22
- imbecilities22
- imbibitional23
- immaturities19
- immobilities22
- immoralities19
- immovability28
- immutability25
- impartiality21
- impenitences23
- impenitently23
- implicitness23
- impoliteness20
- impudicities23
- imputability25
- inactivities20
- inappositely22
- inaudibility21
- incapability25
- incapacitate22
- incapacities22
- incertitudes18
- incivilities21
- inconcinnity24
- inconformity25
- incorporeity21
- indefinitely21
- indelibility21
- indocilities18
- inducibility24
- ineffability25
- inelasticity19
- inequalities24
- inexactitude25
- infelicities20
- infelicitous21
- infidelities18
- infiniteness18
- infinitively24
- infusibility23
- ingratitudes17
- ingurgitated19
- ingurgitates18
- inhabitation19
- inheritances19
- inheritrices18
- inheritrixes22
- inhospitable22
- inhospitably24
- inhumanities20
- iniquitously27
- initializing26
- inquisitions24
- insanitation15
- insecurities17
- insipidities17
- insolubility21
- institutions15
- insularities15
- insurability20
- interknitted19
- intermitotic19
- intermittent17
- intermitters16
- intermitting19
- interorbital17
- interstitial14
- intransitive18
- intravitally21
- intromittent17
- intromitters16
- intromitting19
- intuitionism18
- intuitionist15
- invalidities19
- investitures18
- invisibility23
- invitational19
- invitatories17
- irascibility21
- irregularity18
- irritability18
- irritatingly18
- italianating17
- italianising17
- italianizing26
- itemizations25
- itinerancies17
- itinerations14
- jactitations25
- jesuitically29
- jitterbugged30
- jocularities26
- juvenilities28
- kitchenettes22
- kitchenwares25
- labradorites17
- lachrymosity25
- langbeinites20
- laryngitides19
- leachability24
- lecithinases19
- legibilities19
- legitimacies21
- legitimately21
- legitimating21
- legitimation19
- legitimatize27
- legitimators18
- legitimising21
- legitimizers27
- legitimizing30
- levitational19
- lexicalities24
- liberalities17
- lickspittles24
- likabilities21
- limitational18
- literalistic17
- literalities14
- literalizing26
- literariness14
- literateness14
- lithographed23
- lithographer22
- lithographic25
- lithological22
- lithospheres20
- lithospheric23
- lithotripter18
- lithotriptor18
- litterateurs14
- littlenesses15
- liturgically23
- liturgiology21
- livabilities21
- locksmithing28
- lockstitched26
- lockstitches25
- logicalities19
- lognormality22
- longitudinal20
- lovabilities21
- luminosities18
- lysogenicity23
- lysolecithin22
- madreporites19
- majoritarian25
- malleability23
- malnutrition19
- malpositions20
- meanspirited20
- mediocrities19
- meditatively23
- megavitamins25
- memorability24
- meningitides20
- meritocratic21
- meteoritical19