Letter frequency "The Gold-Bug", where the method is successfully applied to decipher a message instructing on the whereabouts of a treasure hidden by Captain Kidd. Letter frequencies had a strong effect on the design of some keyboard layouts. The most frequent letters are on the bottom row of the Blickensderfer typewriter, and the home row of the Dvorak Simplified Keyboard. There are three ways to count letter frequency that result in very different charts for common letters. The first method, used in the chart below, is to count letter frequency in root words of a dictionary. The second is to include all
Commonly misspelled English words thousands of variations from combining prefixes or suffixes (or both) added to the root words. To limit the scope to common words, the top 350 words are considered (according to various sources). The following list, of about 350 words, is based on documented lists of the top 100, 200, or 400 most commonly misspelled words in all variants of the English language, rather than listing every conceivable misspelled word. Each word is followed by examples of misspellings: Mispronunciation is known to be one of the most common causes of misspelling. Hence, phonetic misspelling is common, once a word is mispronounced.