SPELLING & VOCABULARY -our/or...etc

-our / -or

Many words end in -our in Britain, and in -or in America.
Here are some examples :

Britain	America
colour	color
favour	favor
neighbour	neighbor

-tre/-ter

Words ending in -tre in Britain, end in -ter in America, for example:

Britain	America
centre	center
litre	liter
theatre	theater

Doubling of Letters :

In Britain, the 'l' is doubled in an unstressed syllable :

Britain	America
travelling	traveling
marvellous	marvelous