In such words as colour, Canadians generally prefer the British ending ‑our to the American ending ‑or (as in color).
- Dominique doesn’t want to colour your opinion by telling you what she thinks.
Words formed from the root colour are also usually written with the ‑our spelling in Canada.
- The newscaster used a colourful turn of phrase to describe the thief’s actions.
- Cobalt was added as a colourant to the figurines and ornaments.
- Each spring, the tap water at the cottage is discoloured.
However, the u is usually dropped in the words coloration and discoloration.
- The discoloration of the wallpaper was due to a leaky pipe.
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