Incubus

Incubus a Dæmon, who in the Shape of a Man, has carnal Knowledge of a Woman.

Definition taken from The Universal Etymological English Dictionary, edited by Nathan Bailey (1736)

Inconstancy, or Inconstantness [in Painting and Sculpture] * Incubus [with Physicians]
Iˊmages [in Discourse]
Impediaˊti Canes [Law Rec.]
Impeˊrial Lily
Impeˊrial Table
Imperiaˊli [with Moralists]
Inch of Candle, or Sale
Inciˊding Medicines
Inclination, or Propensity [in Painting and Sculpture]
Incombuˊstible Cloth
Inconstancy, or Inconstantness [in Painting and Sculpture]
Incubus
Incubus [with Physicians]
Indoˊcibleness, or Indo’cilness, or Indoci’lity
Indocility
Indoˊctrinate
Injury [in Sculpture or Painting]
Inn-holders
Instinct [in Painting and Sculpture]
Instruction
Intoˊnate
Intonaˊtion