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The California Job Case was a compartmentalized box for printing in the 19th century, sizes corresponding to the commonality of letters. The frequency of letters in text has been studied for use in cryptanalysis, and frequency analysis in particular, dating back to the Arab mathematician al-Kindi (c. AD 801–873 ), who formally developed the method (the ciphers breakable by this technique go ...
The word alphabet is a compound of alpha and beta, the names of the first two letters in the Greek alphabet. Old English was first written down using the Latin alphabet during the 7th century. During the centuries that followed, various letters entered or fell out of use. By the 16th century, the present set of 26 letters had largely stabilised:
Hangul is a unique alphabet: it is a featural alphabet, where the design of many of the letters comes from a sound's place of articulation, like P looking like the widened mouth and L looking like the tongue pulled in. [47] [better source needed] The creation of Hangul was planned by the government of the day, [48] and it places individual ...
Letters are associated with specific names, which may differ between languages and dialects. Z, for example, is usually called zed outside of the United States, where it is named zee. Both ultimately derive from the name of the parent Greek letter zeta Ζ . In alphabets, letters are arranged in alphabetical order, which also may vary by language.
The term Latin alphabet may refer to either the alphabet used to write Latin (as described in this article) or other alphabets based on the Latin script, which is the basic set of letters common to the various alphabets descended from the classical Latin alphabet, such as the English alphabet.
The lists and tables below summarize and compare the letter inventories of some of the Latin-script alphabets.In this article, the scope of the word "alphabet" is broadened to include letters with tone marks, and other diacritics used to represent a wide range of orthographic traditions, without regard to whether or how they are sequenced in their alphabet or the table.
The grey click is a retired IPA letter that is still in use. The International Phonetic Alphabet is occasionally modified by the Association. After each modification, the Association provides an updated simplified presentation of the alphabet in the form of a chart. (See History of the IPA.) Not all aspects of the alphabet can be accommodated ...
However, there are only 26 letters in the modern English alphabet, so there is not a one-to-one correspondence between letters and sounds. Many sounds are spelled using different letters or multiple letters, and for those words whose pronunciation is predictable from the spelling, the sounds denoted by the letters depend on the surrounding letters.