Orthopter is valid Scrabble Word

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

Definitions for ORTHOPTER in dictionary:

Words related to ORTHOPTER

orthopters15
Find what other words can be done using letters: "orthopter"
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