SOUNDEX
From MidrangeWiki
The SQL function SOUNDEX can find a character string for which the sound is known, but the exact spelling is not. For example, the following searches the file for a name that sounds like prtsit and returns the name Pritchett.
From Command Line or equivalent
STRSQL
SELECT fieldname FROM libraryname/filename WHERE SOUNDEX{fieldname) = SOUNDEX('prtsit') ORDER BY fieldname