go to ImagePartners.co.uk 
ForenameThesaurus       FAQ

The SurnameThesaurus  has 172,309,564 entries for 3,432,165 distinct Surnames

The NameThesaurus uses NameX technology to identify name variants with significantly higher Precision and Recall than Soundex or Metaphone.
To use the NameThesaurus in your applications please

Surname Thesaurus
Enter Surname:
(a single word)