You sau potato I say aloo
English as she is spoke around the world is anarchic in the extreme, and I for one would not have it any other way
Just to confuse you a little more
http://csmonitor.com/2004/1123/p01s03-wosc.html
a good place for a chop
http://dsal.uchicago.edu/dictionaries/hobsonjobson/
and an oldie from AWAD
http://www.wordsmith.org/awad/awadmail43.html