spelling checker

:  the forming of words from letters according to accepted usage :  orthography

:  a sequence of letters composing a word

:  the way in which a word is spelled

:  chessboard

:  a square or spot resembling the markings of a checkerboard

:  a piece in checkers

:  to variegate with different colors or shades

:  to vary with contrasting elements or situations

:  to mark into squares

:  one that checks

:  an employee who checks out purchases in a self-service store