...
- Organise and recognise (rather than organize and recognize)
- Colour, behaviour, (with a u) counselling and counsellor (two lls)
- Targeted and targeting (one t)
- Ageing (not aging)
- Wellbeing not well-being.
There are some exceptions, for example if you use:
...
Where there is no distinction between US and Australian but two ways to spell the same word, use one consistently.