This public domain Common Lisp implementation of the Levenshtein Distance was converted to Common Lisp from the Scheme example given in Wikipedia.

Soundex may also be of interest for those wanting to sort words.

Levenshtein

The Levenshtein Distance algorithm finds the minimum number of operations needed to transform one string into the other, where an operation is an insertion, deletion, or substitution of a single character.

This public domain Common Lisp implementation of the Levenshtein Distance was converted to Common Lisp from the Scheme example given in Wikipedia.

Soundex may also be of interest for those wanting to sort words.

CLiki
the common lisp wiki