The word "alphabet" comes from the Latin word "alphabetum" which came from the two letters of the Greek alphabet ("alpha" and "beta"). The English alphabet consists of 26 letters or characters that represent the basic speech sounds. We can write each letter in capital letter (uppercase) or in small letter (lowercase). This page lists the letters of the English alphabet from a to z. Vocabulary for ESL learners and teachers. Learn the 26 letters of the English alphabet, their names, pronunciation, and history. See the difference between uppercase and lowercase, vowels and consonants, and digraphs and words.