Overloker or Overlooker: How To spell?
The word Overloker is misspelled against Overlooker, a noun meaning "One who overlooks."
Overlooker has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings overl & ker which should not be misspelled with single 'O'
Wrong Spelling:  overl-o-ker  Correct Spelling:  overl-oo-ker 
Find more incorrect spellings of Overlooker to spell right way.