I think it is bizarre that Brits have such a huge aversion to the letter "Z" (that is Zeeeee, not Zed!!!) while holding on to all those extra "u"'s. I mean, "-ize" is one of the most purposeful use of Z, and without it, there isn't much left, well maybe "-zation"
categorize your colors
normalize your flavorings
sexualize that humor
industrialize your armor production
compartmentalize that behavior
Of course, English is a pretty insane language, anyway. At least it is very descriptive, rich, and colorful.