Follow the Canadian Oxford Dictionary, which is the authority for CP spelling.

  • centre (not center, unless part of a proper name, usually a U.S. organization) in past tense is spelled centred
  • per cent (two words, not percent or % in text)
  • focused, focusing (not focussed, focussing)
  • program (not programme)
  • university (do not cap "U" when word stands alone)


  • advisor (not adviser)