Roster or Rooster: How To spell?
The word Roster is misspelled against Rooster, a noun meaning "The male of the domestic fowl; a cock."
Rooster has double "oo" is mispronounced as "o"Remember double 'OO' in between the strings r & ster which should not be misspelled with single 'O'
Wrong Spelling:  r-o-ster  Correct Spelling:  r-oo-ster 
Find more incorrect spellings of Rooster to spell right way.