Rivalizing is valid Scrabble Word

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

Definitions for RIVALIZING in dictionary:

Words related to RIVALIZING

rivalize20

Similar words containing RIVALIZ without suffix ing

rivalize20 rivalized22 rivalizes21
Find what other words can be done using letters: "rivalizing"
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