The eleventh letter of the Latin alphabet, K comes from the Greek &Kappa or &kappa (Kappa) developed from the Semitic Kap, symbol for an open hand. The Semitic sound value /k/ was maintained in most Classic as well as Modern Languages, although Latin abandoned K almost completely, preferring C. Therefore, the Romance languages have K only in foreign words.

A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z

Kilo represents the letter K in the NATO phonetic alphabet.

K is also:

Note that k as in kilo (SI) is lowercased, whereas K as in kelvin or kilo (computing) is uppercased.

Two-letter combinations starting with K: