[Less common, less "correct" or archaic variations are marked like this(var)]
Canadian |
British |
American |
Notes |
harbour harbor(var)
|
harbour
|
harbor
|
|
harmonize
|
harmonise harmonize(var)
|
harmonize
|
|
hauler
|
haulier
|
hauler
|
|
hematite
|
haematite
|
hematite
|
|
hematologist
|
haematologist
|
hematologist
|
|
hemoglobin
|
haemoglobin
|
hemoglobin
|
|
hemophilia
|
haemophilia
|
hemophilia
|
|
hemorrhage
|
haemorrhage
|
hemorrhage
|
|
hiccup
|
hiccough hiccup(var)
|
hiccup
|
|
hireable
|
hireable
|
hirable hireable(var)
|
|
homeopathy
|
homeopathy homoeopathy(var)
|
homeopathy
|
|
honour honor(var)
|
honour
|
honor
|
|
honourable honorable(var)
|
honourable
|
honorable
|
|
hospitalize
|
hospitalise hospitalize(var)
|
hospitalize
|
|
humour humor(var)
|
humour
|
humor
|
but 'humorous' in all countries
|
hypnotize
|
hypnotise hypnotize(var)
|
hypnotize
|
|
hypothesize
|
hypothesise hypothesize(var)
|
hypothesize
|
|
|
|