T's the twentieth letter in the modern Latin alphabet. Its name in English 's spelled tee. It's the most commonly used consonant and the second most common letter in the English language. History Proto-Semitic T Phoenician T Etruscan T Greek Tau Taw was the last letter of the Western Semitic and Hebrew alphabets, and probably represented a cross. The sound value of Semitic Taw, Greek alphabet Tαυ (Tau), Old Italic and Latin T has remained fairly constant, representing in… (More on T)