Choser or Chooser: How To spell?
The word Choser is misspelled against Chooser, a noun meaning "One who chooses; one who has the power or right of choosing; an elector."
Chooser has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings ch & ser which should not be misspelled with single 'O'
Wrong Spelling:  ch-o-ser  Correct Spelling:  ch-oo-ser 
Find more incorrect spellings of Chooser to spell right way.