Uncombativeness is valid Scrabble Word

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

Similar words containing COMBATIVENES without suffix s and without prefix un

combativeness22 combativenesses24
Find what other words can be done using letters: "uncombativeness"
https://scrabble-word.com/finder/uncombativeness
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