KEY: Imperfect, [See PERFECT].

• Inextensive, [See RECORD]
• Inextinguishable, [See EXTINGUISH]
• Inextricable
• Infallible, [See FALLIBLE]
• Infamous
• Infamy
• Infantile
• Infatuation
• Infect
• Infection
• Infectious, [See CONTAGIOUS]
• infelicity
• Inference
• Inferiority
• Infernal, [See ANGELIC]
• Infertility
• Infest
• Infidel
• Infidelity
• Infiltrate
• Infinite, [See IMMEASURABLE]
• Infinitesimal
• Infirm
• Infirmity
• Infix, [See FIX]