Pentarchical is valid Scrabble Word

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

Definitions for PENTARCHICAL in dictionary:

Words related to PENTARCHICAL

pentarchy19
Find what other words can be done using letters: "pentarchical"
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