Pyritohedral is valid Scrabble Word

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

Definitions for PYRITOHEDRAL in dictionary:

Similar words containing PYRITOHEDR without suffix al

pyritohedra20 pyritohedron21 pyritohedrons22
Find what other words can be done using letters: "pyritohedral"
https://scrabble-word.com/finder/pyritohedral
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