Circularizations is valid word

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

Definitions for CIRCULARIZATIONS in dictionary:

Similar words containing CIRCULARIZATION without suffix s

circularization28
Find what other words can be done using letters: "circularizations"
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