Fore Words is plugin (Add-in) to Microsoft Word , providing some helpful tools for text analysis. Currently add-in contains two items : Repetyler and K-Diff Search.
Repetyler calculates frequencies of words and phrases in text. This program can help to improve (or just examine) the writing style in business documentation, literature text, correspondence, etc.
Professional version , Fore Words Pro, provides the additional possibility to get frequencies of wordforms. You can set up the length of word root, so Repetyler takes into account derived words.
K-Diff Search is search by approximate matching. Matching with "k differences" means, k or less operations (add, remove or replace character) transforms search pattern to found string . For example, "model" turns to "middle" by 2 replacements and 1 insertion, so number of differences between these words is 3. This kind of search is not possible in standard Word "Find" dialog, even with wildcards and "sounds like" options.
K-Diff Search helps to find words when you do not remember exact spelling, or word is misspelled in document.