Macmillan Education Online English Dictionary's American definition and synonyms of anxiety
Many online resources, like Macmillan English Dictionary Magazine 2004 and James Smith's American to British Dictionary, provide a convenient comparison of English and American vocabulary. Both of these are very useful for this task. But the problem is that even someone who thinks that there is some disagreement other than pronunciation before talking directly to other types of speakers. In particular, you need to pay attention to fake homologs. For example, British English 'suspenders' are called 'students' in American English and 'us' to represent 'Bras' in the UK. This situation also applies to the UK "short pants", the United Kingdom is the "prostitute" in the UK.
American English and British English (BrE) are often different phonology theory, phonetics, vocabulary, etc., and the degree of grammar and spelling is much smaller. The first American dictionary, the American English dictionary, was written by Noah Webster in 1828 and was called the Webster Dictionary which summarized several spelling.
In 1806, Noah Webster in the United States took 27 years to complete "his companion of English language dictionaries." Published by his first dictionary; in 1807, Webster was "American English Dictionary" I started writing an extension and comprehensive dictionary. To evaluate the etymology of words, Webster learned 26 languages including Old English (Anglo-Saxon), German, Greek, Latin, Italian, Spanish, French, Hebrew, Arabic, , Sanskrit. 1825 Webster completed his dictionary while studying in Paris, France and Cambridge University. His book contains 700,000 words, which has never appeared in the dictionary in which 2000 words were published in 1000 years. As a spell reformer, Webster introduced unnecessarily complicated English spelling rules of "color" and "color", "wagon", he introduced his dictionary that the spelling of American English was replaced with "wagon" My thought, printing 'Center' 'instead of' Center '