Marviest is valid Scrabble Word

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

Definitions for MARVIEST in dictionary:

Words related to MARVIEST

marvy13
Find what other words can be done using letters: "marviest"
https://scrabble-word.com/finder/marviest
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