Select the INCORRECTLY spelt word.

applicasion

The incorrectly spelt word is "applicasion". The correct spelling is "application".

The other words are spelled correctly.

Here is a breakdown of the correct spellings of the words:

• Promotion: the process of raising someone to a higher rank or position.
• Tradition: a belief or custom that has been passed down from generation to generation.
• Application: a formal request to be considered for a position or to be allowed to do or have something.
• Completion: the action or process of completing or finishing something.