Topscore is valid Scrabble Word

Is topscore a scrabble word?
Official Scrabble Players Dictionary NO
Official Tournament and Club Word List NO
Collins Scrabble Words YES
Is topscore valid Words with Friends?
Words with Friends NO

Definitions for TOPSCORE in dictionary:

Words related to TOPSCORE

topscored14 topscores13 topscoring15

Words that contain TOPSCORE

topscored14 topscores13
Find what other words can be done using letters: "topscore"
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