Sulcation is valid Scrabble Word

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

Definitions for SULCATION in dictionary:

Words related to SULCATION

sulcate9
Find what other words can be done using letters: "sulcation"
https://scrabble-word.com/finder/sulcation
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