indefeasibility

indefectibility

indefensibility

indefinability

indelibility

indissolubility

indivisibility

indomitability

indubitability

inducibility

ineducability

ineffability

ineffaceability

ineligibility

ineluctability

ineradicability

inevitability

inexplicability

inextricability

infallibility

infeasibility

inflammability

inflexibility

infrangibility

infusibility

inheritability

insatiability

inscrutability

insensibility

inseparability

insociability

insolubility

instability

insurability

intangibility

integrability

intelligibility

intervisibility

intolerability

intractability

invariability

inviability

invincibility

inviolability

invisibility

invulnerability

irascibility

irreformability

irrefragability

irrefutability