Subschema is valid Scrabble Word

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

Definitions for SUBSCHEMA in dictionary:

Words related to SUBSCHEMA

subschemata20

Words that contain SUBSCHEMA

subschemata20
Find what other words can be done using letters: "subschema"
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