Sesquicentennials is valid word

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

Definitions for SESQUICENTENNIALS in dictionary:

Similar words containing SESQUICENTENNIAL without suffix s

sesquicentennial27
Find what other words can be done using letters: "sesquicentennials"
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