Collaborationists is valid word

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

Definitions for COLLABORATIONISTS in dictionary:

Similar words containing LLABORATIONIST without suffix s and without prefix co

collaborationist20
Find what other words can be done using letters: "collaborationists"
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