Chem is valid Scrabble Word

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

Definitions for CHEM in dictionary:

Words related to CHEM

chemistry19 chems12
Find what other words can be done using letters: "chem"
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