Ceas is valid Scrabble Word

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

Definitions for CEAS in dictionary:

Words related to CEAS

caese7
Find what other words can be done using letters: "ceas"
https://scrabble-word.com/finder/ceas
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