Overser or Overseer: How To spell?
The word Overser is misspelled against Overseer, meaning "A supervisor."
Overseer has double "ee" is mispronounced as "e"Remember double 'EE' in between the strings Overs & r which should not be misspelled with single 'E'
Wrong Spelling:  Overs-e-r  Correct Spelling:  Overs-ee-r 
Explore spell check of Overseer to spell without errors.