There are a few differences between these two languages; however, most of the words are exactly the same. Firstly, one can easily notice that the accents are much different. Some words are slightly different. For example, in American English the undergarments of a person is called "underwear." However, in British English, it is simply called "pants." Thus, some words can be easily confused in the opposite cultures. There are also some reasonably consistent spelling differences. There are some common rules for American English. •Where UK, Australian and NZ English often use the letter group of our, in American English the u is omitted. In the following examples, the first is UK English and the second is American English: favourite / favorite neighbour / neighbor colour / color •UK English uses an s where American English often substitutes a z. In the following examples, the first is UK English and the second is American English: capitalisation / capitalization recognise / recognize •In word building, UK English doubles the final consonant where it is preceded by a vowel, whereas American English does not. For example: traveller / traveler labelled / labeled •Some words which are spelt with a 'c' in the noun form but an 's' in the verb form of some words are not spelt with the 'c' in American English - both noun and verb forms retain the 's'. practice/practise in U.K. and Australian English is always practise in American English. licence/license is always license in American English