Coproprietorship is valid word

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

Words that contain COPROPRIETORSHIP

coproprietorships28
Find what other words can be done using letters: "coproprietorship"
https://scrabble-word.com/finder/coproprietorship
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