Octohedra is valid Scrabble Word

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

Definitions for OCTOHEDRA in dictionary:

Words related to OCTOHEDRA

octahedra15 octohedron16
Find what other words can be done using letters: "octohedra"
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