Top 10 - British vs American spelling 10 Jun 07        British      American   1    Colour      Color 2    Analyse      Analyze 3    Leapt      Leaped 4    Catalogue      Catalog 5    Centre      Center 6    Through      Thru 7    Enquiry      Inquiry 8    Analogue      Analog 9    Draught      Draft 10    Borough      Boro