How do you spell Behaviour?
Correct spelling
behaviour
US: behavior. UK/AU/NZ: behaviour (with U).
Why is behaviour spelled this way?
The OU ending follows the same French-influenced pattern as colour and honour. Behavior is the American simplification, though both forms have been in use since the 16th century.
Common misspellings of behaviour
behavourbehavoirbehaveurbehavor
Example
His behaviour in class has improved.