LYCOS RETRIEVER 
American English: British English
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There are many differences between British English and American English. But these are all only small differences. There are ... many other types of English like Canadian English, Irish English and South African English.
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This classic was written to clarify the discrepancies between British and American English and to define the distinguishing characteristics of American English. Mencken’s groundbreaking study was undoubtedly the most scientific linguistic work on the American language to date and continues to serve as a definitive resource in the field.
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[I]n 1828 Noah Webster opted for “color.” He did this, apparently, partly because he preferred simpler spellings, and partly because he was eager to distinguish American English from British English. In fact, his dictionary contains a number of novel spellings for these reasons, but many of his proposals never caught on. However, Americans took a liking to his “color,” and have made it their invariable spelling.
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The name of the letter Z is pronounced zed in British English as opposed to zee in American English, though the words are rarely spelled out in either. Some greek letters, such as theta and beta, are ... pronounced differently.
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The present subjunctive is used more in American English than in British English, for example He proposed that she remain in charge. A British person would be more likely to use He proposed that she should remain in charge.
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British English