LOL at wheatpenny.  In elementary school I always used "grey" and  "coloured", being a spelling bee champ (although a horrible typist heh) I was horrified to have a teacher mark off points on a paper for my use of  "colour".  So I marched my 8 yr old self up to her desk and explained to her that it was a perfectly valid spelling of the word and handed her my dictionary.

She didn't like me much after that (I was a precocious snot after all) but she never marked my spelling incorrect again.

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I do not feel obliged to believe that the same God who has endowed us with sense, reason, and intellect has intended us to forgo their use.
-Galileo