15 Letter Words
inexplicability
31
inexpugnability
30
inextricability
29
ineffaceability
28
imperishability
27
inextensibility
27
inapplicability
26
incommutability
26
incomparability
26
incompatibility
26
incomputability
26
indefectibility
26
imponderability
25
intertextuality
25
irreformability
25
immeasurability
24
immensurability
24
impenetrability
24
inaccessibility
24
incalculability
24
indefeasibility
24
indefensibility
24
irrefragability
24
inadmissibility
23
incorrigibility
23
14 Letter Words
impeachability
28
imperceptivity
28
inexcusability
28
imperviability
26
inflammability
26
impermeability
25
impracticality
25
ineffectuality
25
immitigability
24
immunogenicity
24
impregnability
24
inhabitability
24
intempestivity
24
intersexuality
24
irremovability
24
implausibility
23
impressibility
23
inadvisability
23
indefinability
23
indivisibility
23
infrangibility
23
intercommunity
23
inauthenticity
22
incogitability
22
indomitability
22
13 Letter Words
inflexibility
28
impeccability
26
immoveability
25
improvability
25
inexorability
25
immiscibility
24
impalpability
24
implacability
24
improbability
24
inharmonicity
23
invincibility
23
impartibility
22
impassability
22
impassibility
22
impecuniosity
22
importability
22
impossibility
22
inculpability
22
inhomogeneity
22
invendibility
22
incredibility
21
individuality
21
ineducability
21
inevitability
21
infallibility
21
12 Letter Words
inefficacity
25
immovability
24
ineffability
23
inconformity
22
immutability
21
imputability
21
incapability
21
inducibility
20
infusibility
20
interfaculty
20
invisibility
20
impartiality
19
inconcinnity
19
incorporeity
19
incurability
19
irascibility
19
ignitability
18
ignitibility
18
illegibility
18
illogicality
18
inaudibility
18
indelibility
18
intervarsity
18
illiberality
17
inelasticity
17
11 Letter Words
illiquidity
24
inquilinity
23
indexterity
22
infectivity
22
impassivity
21
impulsivity
21
incommodity
21
impropriety
20
incendivity
20
inductivity
20
infecundity
20
inclusivity
19
informality
19
inviability
19
imitability
18
immortality
18
imperiality
18
impetuosity
18
importunity
18
inimicality
18
incongruity
17
incredulity
17
inductility
17
inedibility
17
infantility
17
10 Letter Words
inequality
22
impudicity
20
imbecility
19
immobility
19
incapacity
19
inactivity
18
incivility
18
infelicity
18
inhumanity
18
inveracity
18
immaturity
17
immorality
17
immotility
17
infidelity
17
invalidity
17
ignobility
16
indocility
16
insipidity
16
indigenity
15
insecurity
15
insobriety
15
interparty
15
inurbanity
15
illegality
14
insolidity
14
9 Letter Words
implicity
18
improbity
18
immodesty
17
incurvity
17
infirmity
17
iconicity
16
immensity
16
indemnity
15
inability
14
indignity
14
inebriety
14
innocuity
14
intercity
14
intracity
14
ingenuity
13
integrity
13
insatiety
12
insulsity
12
intensity
12
inutility
12
irreality
12
isopolity
14