Rivalises is valid Scrabble Word

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

Definitions for RIVALISES in dictionary:

Words related to RIVALISES

rivalise11

Similar words containing RIVALISE without suffix s

rivalise11 rivalised13
Find what other words can be done using letters: "rivalises"
https://scrabble-word.com/finder/rivalises
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