KEY: Prevalence.
SYN: Custom, power, influence, operation, extension, predominance,superiority, influence, efficacy, preponderance.
ANT: Disuse, desuetude, obsoleteness, decay, evanescence,disappearance, mitigation, subordination, collapse, abandonment,abolition, diminution, subsidence, subjection.

• Inexcitable, [See EXCITABILITY]
• Inexcusable
• Inexhaustible
• Inexistence, [See EXISTENCE]
• Inexorable
• Inexpedient
• Inexpensive, [See EXPENSIVE]
• Inexperience
• Inexpert, [See EXPERT]
• Inexpiable
• Inexplicable
• Inexpressible, [See INDESCRIBABLE]
• Inexpressive
• Inextension, [See EXTEND_and_SPACE]
• Inextensive, [See RECORD]
• Inextinguishable, [See EXTINGUISH]
• Inextricable
• Infallible, [See FALLIBLE]
• Infamous
• Infamy
• Infantile
• Infatuation
• Infect
• Infection
• Infectious, [See CONTAGIOUS]