Basic Guidelines For English Spellings
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See US English definition of stain
See UK English definition of stain
See Spanish definition of mancha
1‘her clothing was stained with blood’
2‘the awful events would unfairly stain the city's reputation’
3‘wood can always be stained to a darker shade’
1‘there were mud stains on my shoes’
2‘he has been discharged without a stain on his character’
3‘an exterior type of wood stain’