From the first six letters of this word, I thought that “megalomania” had something to do with megalodons.
A childhood belief about speaking

others believed things like this
- In first grade, I thought that if I've never heard of a word before, then it wasn't a word.— Destiny
- I used to think "Zed" and "Zee" were two different letters.Anon
- I used to think the word fever was just another word for giraff— Marshall m
- I used to believe that translating from language into language was only a matter of changing letters ! :) — EwS
- Up until I was 10 or 11, I thought the word anonymous was 'annoymous'.Anon
- I thought all you had to do to speak Russian was add -ski to the end of every word!— nateski