Letter frequency words: <nowiki>*</nowiki>See Dotted and dotless I. The figure below illustrates the frequency distributions of the 26 most common Latin letters across some languages. All of these languages use a similar 25+ character alphabet. Based on these tables, the 'etaoin shrdlu'-equivalent results for each language is as follows: Some useful tables for single letter, digram, trigram, tetragram, and pentagram frequencies based on 20,000 words that take into account word-length and letter-position combinations for words 3 to 7 letters in length. The references are as follows: Letter frequency The frequency of letters in text has been studied for use in cryptanalysis, and
Word ladder be connected with a word ladder. Knuth used a fixed collection of 5,757 of the most common English five-letter words, excluding proper nouns. He determined exactly when two words of the collection had a word ladder between them via other words in the collection. Knuth found that most words were connected to each other, and he also found that 671 words of the collection did not form a word ladder with any other words. He called these words "aloof", because "aloof" is itself an example of such a word. Word ladder Word ladder (also known as Doublets, word-links, change-the-word puzzles,