Isopterans is valid Scrabble Word

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

Definitions for ISOPTERANS in dictionary:

Words related to ISOPTERANS

isopteran11

Similar words containing ISOPTERAN without suffix s

isopteran11
Find what other words can be done using letters: "isopterans"
https://scrabble-word.com/finder/isopterans
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