Incorrect spelling, explanation: although pronunciation may seem to point to preperation, it is wrong spelling. The correct one is preparation (spelling with a) because the word has Latin origins (verb parare, to set in order plus prefix prae-, before).

Correct spelling, explanation: this is the correct form because the word comes from Latin parare with prefix pre-. Therefore, Latin spelling points to the form preparation as the right one, and preperation is the wrong form. This misspelling is probably due to pronunciation.

Definition of preparation:
noun, an act of preparing something, causing something or someone to be ready
Preparations for this event took us 3 weeks.
You should never give a speech without earlier preparation.

Incorrect spelling

Incorrect spelling

Incorrect spelling

Incorrect spelling