Set your spell-check to U.K. EnglishUK USA Colour, Flavour, Favour Color, Flavor, Favor Realise, Actualise, Colourise Realize, Actualize, Colorize Metre, Theatre Meter, Theater Aeroplane Airplane http://en.wikipedia.org/wiki/American_and_British_English_spelling_differences Set your spell-check to U.K. English 1 – click here 2 – click here 3 – click here About author Hans Anderson 2007-Present: Lecturer at FPT Greenwich Programmes, FPT University. 2007: M.S., Computational Mathematics, University of Minnesota 2001: B.A., Computer Science, Gustavus Adolphus College, Saint Peter, MN . Set your spell-check to U.K. English UK USA Colour, Flavour, Favour Color, Flavor, Favor Realise, Actualise,. http://en.wikipedia.org/wiki/American_and_British _English_ spelling_differences Set your spell-check to U.K. English 1 – click here 2 – click here 3 – click