"King" is a four letter word that begins with the letter K.
kite
Kool
Kite
See this:What_is_a_four_letter_that_starts_with_K
Kick, Kate, kite.
Kiln. king
kiss kick kind knit
Kind, kill, keep, kink, kook
knot
kale, keep, kiss, kind, knot, knob
The word is semi (a trucker's vehicle).
The island that starts with the letter K is Kyushu.