nabe/nayb/ noun NAmer, informal

• impeller
• impend
• impending
• impenetrable
• impenitent
• imper.
• imperative
• imperator
• imperceptible
• imperceptive
• impercipient
• imperfect
• imperfection
• imperfective
• imperforate
• imperial
• imperial gallon
• imperialism
• imperil
• imperious
• imperishable
• imperium
• impermanent
• impermeable
• impersonal