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1. "center"
US: "center" | UK: "centre"
2. "globalization"
US: "globalization" | UK: "globalisation"
3. "favour"
US: "favor" | UK: "favour"
4. "maneuver"
US: "maneuver" | UK: "manoeuvre"
5. "catalogue"
US: "catalog" | UK: "catalogue"
6. "diarrhea"
US: "diarrhea" | UK: "diarrhoea"
7. "realize"
US: "realize" | UK: "realise"
8. "math"
US: "math" | UK: "maths"
9. "jewellery"
US: "jewelry" | UK: "jewellery"
10. "behaviour"
US: "behavior" | UK: "behaviour"
11. "aluminium"
US: "aluminum" | UK: "aluminium"
12. "color"
US: "color" | UK: "colour"
13. "cancelled"
US: "canceled" | UK: "cancelled"