Is “Tarnish” a Scrabble word?
Yes
TARNISH
Valid in at least one Scrabble dictionary
Valid in these dictionaries
SOWPODS / CSW
Scrabble UK & International
TWL / NWL
Scrabble North America
Large English Dictionary
General English word list
Meaning of Tarnish
/ˈtɑɹnɪʃ/
noun
1.Oxidation or discoloration, especially of a decorative metal exposed to air.
verb
1.To oxidize or discolor due to oxidation.
“Careful storage of silver will prevent it from tarnishing.”
2.To soil, sully, damage or compromise
“He is afraid that he will tarnish his reputation if he disagrees.”
3.To lose its lustre or attraction; to become dull.