Some four letter words that begin with "I" are: itch, item, iota, inch, imps, idea, and idle. IDEA.
Some four letter words that begin with I are: ibis icon idea idol inch into iris iron isn't itch
Ants! Arms! Army! Abba! Avid Arid Axel Awes Arts Ahoy Anon Atom Ably Afar Aloe Ally Arch Aunt
able ache acid acne ahoy aide ain't ajar akin alas area arid army atom avid away axis axle
Aunt able adds axle