Do you mean "overseeing"?

"overseing" is a common misspelling of "overseeing"

How to remember the correct way to spell "overseeing":

A verb ending in 'e' keeps the 'e' before 'ing' if there is a vowel before the 'e'.

Test your Spelling • Common Misspellings • Terms of Use • Top Ten Misspellings • Contact DoYouMean