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
Function word than three letters 'I', 'an', 'in' while non-function words usually have three or more 'eye', 'Ann', 'inn' (see three letter rule). The following is a list of the kind of words considered to be function words: Function word In linguistics, function words (also called functors) are words that have little lexical meaning or have ambiguous meaning and express grammatical relationships among other words within a sentence, or specify the attitude or mood of the speaker. They signal the structural relationships that words have to one another and are the glue that holds sentences together. Thus they form important elements in