praesidium/priʹsidi·əm, priʹzid-/ noun

• ineffective
• ineffectual
• inefficacy
• inefficient
• inelastic
• inelegant
• ineligible
• ineluctable
• in embryo
• inept
• inequality
• inequitable
• inequity
• ineradicable
• in error
• inert
• inert gas
• inertia
• inertial guidance
• inertial navigation
• inertia-reel seat belt
• inertia selling
• inescapable
• in escrow
• in essence