My cousin walks up to my grandmother and myself and said "I can spell trashcan, B.F.I." We both bust in to laughter and then try to explain to her that B.F.I. is a company, not the way you spell trashcan.
That same cousin also thought sec. (as in second)and sex were the same word.
A childhood belief about spelling

others believed things like this
- When I was, like, three, i thought my cat was an evil sorcerer and would cast a spell on me. XD— Bobbet
- My cousin's mom told my cousin that pop makes you short. He probably believed it.— Molly
- When my sister told one of my brothers her e-mail address, he thought to spell out “at” instead of typing “@”.— EJ - no longer computer illiterate!
- i used to spell eight "ate" cuz of the stuped: why was six afraid of seven, cuz seven ate(8) ten joke...— 8
- I used to think a second cousin meant a cousin’s cousin.— Carlos Almonacid
- I had my wife convinced that Steven Hawking made his fortune as the original voice for the speak N spell toy.Anon