Inustion is valid Scrabble Word

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

Definitions for INUSTION in dictionary:

Words related to INUSTION

inust5
Find what other words can be done using letters: "inustion"
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