As with American-English, look out for word endings like: -ize / -ise and -our / -ur. biannual (c.f. biennial) (en) = semiannual (us) billion Curb / Kerb vest (en) = undershirt (am), waistcoat (en) = vest (am) waistcoat (en) = vest (am), vest (en) = undershirt (am) | 
