Coinstantaneity is valid Scrabble Word

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

Definitions for COINSTANTANEITY in dictionary:

Similar words containing INSTANTANE without suffix ity and without prefix co

instantaneity16 instantaneous13 coinstantaneous17 instantaneities15 instantaneously18 instantaneousne15 instantaneousness17 instantaneousnesses19
Find what other words can be done using letters: "coinstantaneity"
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