Surnominal is valid Scrabble Word

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

Definitions for SURNOMINAL in dictionary:

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