stain

\\\"the wine left a dark stain\\\"

\\\"And the Lord set a mark upon Cain\\\"

\\\"he made a huge blot on his copybook\\\"

\\\"Stain this table a beautiful walnut color\\\"
\\\"people knew how to stain glass a beautiful blue in the middle ages\\\"

\\\"Red wine stains the table cloth\\\"

\\\"The silver was tarnished by the long exposure to the air\\\"
\\\"Her reputation was sullied after the affair with a married man\\\"

\\\"The laboratory worker dyed the specimen\\\"