Select the INCORRECTLY spelt word.

Changable

The incorrectly spelt word is Changable. The correct spelling is Changeable.

Here is a breakdown of the spelling of each word:

• Changable should be spelled "Changeable". It means "capable of or liable to change".
• Mileage is spelled correctly. It means the distance traveled by a vehicle.
• Arrangement is spelled correctly. It means the way in which things are arranged.
• Practice is spelled correctly. It means to do something repeatedly in order to improve one's skill at it.