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  2. Letter frequency - Wikipedia

    en.wikipedia.org/wiki/Letter_frequency

    Letter frequency is the number of times letters of the alphabet appear on average in written language. Letter frequency analysis dates back to the Arab mathematician Al-Kindi (c. 801 –873 AD), who formally developed the method to break ciphers. Letter frequency analysis gained importance in Europe with the development of movable type in 1450 ...

  3. List of writing systems - Wikipedia

    en.wikipedia.org/wiki/List_of_writing_systems

    In most of these systems, some consonant-vowel combinations are written as syllables, but others are written as consonant plus vowel. In the case of Old Persian, all vowels were written regardless, so it was effectively a true alphabet despite its syllabic component. In Japanese a similar system plays a minor role in foreign borrowings; for ...

  4. Alphabet - Wikipedia

    en.wikipedia.org/wiki/Alphabet

    Alphabet. An alphabet is a standard set of letters written to represent particular sounds in a spoken language. Specifically, letters largely correspond to phonemes as the smallest sound segments that can distinguish one word from another in a given language. [1] Not all writing systems represent language in this way: a syllabary assigns ...

  5. Writing system - Wikipedia

    en.wikipedia.org/wiki/Writing_system

    Descendants include the Phoenician alphabet (c. 1050 BC), and its child in the Greek alphabet (c. 800 BC). [22] [23] The Latin alphabet, which descended from the Greek alphabet, is by far the most common script used by writing systems. [24]

  6. History of the alphabet - Wikipedia

    en.wikipedia.org/wiki/History_of_the_alphabet

    History of the alphabet. The history of the alphabet goes back to the consonantal writing system used to write Semitic languages in the Levant during the 2nd millennium BCE. Nearly all alphabetic scripts used throughout the world today ultimately go back to this Semitic script. [1] Its first origins can be traced back to a Proto-Sinaitic script ...

  7. Letter (alphabet) - Wikipedia

    en.wikipedia.org/wiki/Letter_(alphabet)

    Definition and usage. A letter is a type of grapheme, the smallest functional unit within a writing system. Letters are graphemes that broadly correspond to phonemes, the smallest functional units of sound in speech. Similarly to how phonemes are combined to form spoken words, letters may be combined to form written words.

  8. List of numeral systems - Wikipedia

    en.wikipedia.org/wiki/List_of_numeral_systems

    Can be notated with the digits 0–9 and the cased letters A–Z and a–z of the English alphabet. 64: Tetrasexagesimal: I Ching in China. This system is conveniently coded into ASCII by using the 26 letters of the Latin alphabet in both upper and lower case (52 total) plus 10 numerals (62 total) and then adding two special characters (+ and ...

  9. Most common words in English - Wikipedia

    en.wikipedia.org/wiki/Most_common_words_in_English

    The number of distinct senses that are listed in Wiktionary is shown in the polysemy column. For example, "out" can refer to an escape, a removal from play in baseball, or any of 36 other concepts. On average, each word in the list has 15.38 senses. The sense count does not include the use of terms in phrasal verbs such as "put out" (as in ...