{| class="wikitable"
|+ International English Spelling Chart 
|-
! [[File:Flag of the United States.svg|43px]]
! [[File:Flag of Canada.svg|43px]]
! [[File:Flag of the United Kingdom.svg|43px]]
! [[File:Flag of the United Kingdom.svg|43px]]
! [[File:Flag of Australia.svg|43px]]
|-
! United States
! Canada
! UK 
! UK (Oxford spelling)
! Australia
|-
| color
| colour
| colour
| colour
| colour
|- 
| center
| centre
| centre
| centre
| centre
|- 
| globalization
| globalization
| globalisation
| globalization
| globalisation
|-
| realize
| realize
| realise
| realize
| realise
|-
| analyze
| analyze
| analyse
| analyse
| analyse
|-
| traveling
| travelling
| travelling
| travelling
| travelling
|-
| defense
| defence
| defence
| defence
| defence
|-
| computer program, <br />concert program
| computer program, <br />concert program
| computer program, <br />concert programme
| computer program, <br />concert programme
| computer program, <br />concert program
|-
| gray
| grey
| grey
| grey
| grey
|-
| fulfill
| fulfil(l)
| fulfil
| fulfil
| fulfil
|- 
| aluminum
| aluminum
| aluminium
| aluminium
| aluminium
|}