Crossword Clue:

to rid of stain

Answer	Crossword Clue
CELLOPHANE	Result of trying to invent a stain-resistant tablecloth
SOAK	Tend to a stain
STIGMA	Tough-to-remove stain

GRASS	Hard-to-remove stain
INKMARK	Hard-to-remove stain
TIDE	... to Go (stain remover)
OSMIC	Acid used to stain microscope slides
ELBOWGREASE	It may be needed to get out a tough stain