Monosy is valid Scrabble Word

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

Definitions for MONOSY in dictionary:

Words related to MONOSY

monosies10 monosis9
Find what other words can be done using letters: "monosy"
https://scrabble-word.com/finder/monosy
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