Words ending in –re以-re结尾的单词British English words that end in -re often end in -er in American English:英式英语中以-re结尾的单词通常在美式英语中以-er结尾。British UScentre centerfibre fiberlitre litertheatre theater/theatreWords ending in –our以-our结尾的单词British English words ending in -our usually end in -or in American English:英式英语中以-our结尾的单词通常在美式英语中以-or结尾。British UScolour colorflavour flavorhumour humorlabour laborWords ending in -ize or –ise以ize或ise结尾的单词Verbs in British English that can be spelled with either -ize or -ise at the end are always spelled with -ize at the end in American English:英式英语中以-ize或-ise结尾的动词都是合乎拼写规则的。但在美式英语中,它们总是以-ize结尾。British USapologize/apologise apologizeorganize/organise organizerecognize/recognise recognizeWords ending in –yse以-yse结尾的单词Verbs in British English that end in -yse are always spelled -yze in American English:英式英语中以-yse结尾的单词在美式英语中总是以-yze结尾。British USanalyse analyzebreathalyse breathalyzeparalyse paralyzeWords ending in a vowel plus l以元音 l结尾的单词In British spelling, verbs ending in a vowel plus l double the l when adding endings that begin with a vowel. In American English, the l is not doubled:英式英语中,在以元音 l结尾的单词后面加上由元音开始的后缀时,l要重复1次。美式英语则没有这一要求。British UStravel traveltravelled traveledtraveller travelerWords spelled with double vowels含有2个连在一起的元音字母的单词British English words that are spelled with the double vowels ae or oe are just spelled with an e in American English:英式英语中含有ae或oe的单词在美式英语中只写作e。British USleukaemia leukemiamanoeuvre maneuveroestrogen estrogenNote that in American English, certain terms, such as archaeology, keep the ae spelling as standard, although the spelling with just the e (i.e. archeology) is usually acceptable as well.注意:美式英语中,一些专有名词如archaeology还是会保持标准的写法,虽然只写e(例如archeology)也不是不能接受。Nouns ending with –ence以-ence结尾的名词Some nouns that end with -ence in British English are spelled -ense in American English:英式英语中某些以-ence结尾的名词在美式英语中以-ense结尾。British USdefence defenselicence licenseoffence offenseNouns ending with –ogue以-ogue结尾的名词Some nouns that end with -ogue in British English end with either -og or –ogue in American English:英式英语中某些以-ogue结尾的名词在美式英语中以-og或ogue结尾。British USanalogue analog/analoguecatalogue catalog/cataloguedialogue dialog/dialogueThe distinctions here are not hard and fast. The spelling analogue is acceptable but not very common in American English; catalog has become the US norm, but catalogue is not uncommon; dialogue is still preferred over dialog.上面这条规则并非一成不变。Analogue可以接受但在美式英语中并不常见。Catalog已经成为美式标准,而catalogue也很常见。人们更愿意使用dialogue而非dialog。