Learning English > English Writing > Spelling Rules > English & American English Spelling

English & American English Spelling

Here are the principal differences in spelling between English & American English.

	English	American English
Final -l is always doubled after one vowel in stressed and unstressed syllables in English but usually only in stressed syllables in American English, for example:	rebel > rebelled travel > travelled	rebel > rebelled travel > traveled
Some words end in -tre in English and -ter in American English, for example:	centre theatre	center theater
Some words end in -ogue in English and -og in American English, for example:	analogue catalogue	analog catalog
Some words end in -our in English and -or in American English, for example:	colour labour	color labor
Some verbs end in -ize or -ise in English but only in -ize in American English, for example:	realise, realize harmonise, harmonize	realize harmonize