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Cog is a tool for comparing languages using lexicostatistics and comparative linguistics techniques. It automates the process of comparing word lists from different language varieties. This is an alpha test version, so not ready for full use;.
The webpage includes a demonstration video on the program.
The Wordcorr Idea. Wordcorr is a tool for comparing speech varieties. It can handle a large number of matching word lists -- how many depends on your operating system, screen size, and font choices. It makes the full International Phonetic Alphabet available to you, as well as other notations.
Once the raw data are organized, Wordcorr
A linguistics computer program designed to aid in the collection and analysis of word lists, assisting in the entry and maintenance of word lists and cognate decisions, the computation of lexicostatistic and phonostatistic measures of similarity, and the output of data and results in various formats.