Puzzleheadedness is valid word

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

Definitions for PUZZLEHEADEDNESS in dictionary:

Words that contain PUZZLEHEADEDNESS

puzzleheadednesses43

Similar words containing PUZZLEHEADEDNES without suffix s

puzzleheadednes40 puzzleheadednesses43
Find what other words can be done using letters: "puzzleheadedness"
https://scrabble-word.com/finder/puzzleheadedness
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