1) ( our or ) :
:

arbor arbour
armor armour
behavior behaviour
Color colour
endeavor endeavour
Favor favour
fervor fervour
, glamor glamour
harbor harbour
honor honour
, humor humour
labor labour
neighbor neighbour
, odor odour
parlor parlour
rancor rancour
rumor rumour
, savior saviour
, splendor splendour
vapor vapour
vigor vigour


( 2 ) ( re er ) :
center centre
fiber fibre
meter metre
piaster Piastre
somber sombre
theater theatre
( 3 ) ( logue log ) :
catalog catalogue
dialog dialogue
monolog monologue
prolog prologue

( 4 ) :
traveler traveller
counselor conunseller
jeweler jeweller
worshiper worshipper
kidnaper kidnapper

( 5 ) ( ce-se ) :
defense defence
license licence
offense offence
pretense pretence
( 6 ) :
check cheque
gray grey
mustache moustache
pedlar peddler
plow plough
program programme
( ) pajamas pyjamas
sulfur sulphur
tire tyre
wagon waggon