Subchelate is valid Scrabble Word

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

Definitions for SUBCHELATE in dictionary:

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