Muscologies is valid Scrabble Word

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

Definitions for MUSCOLOGIES in dictionary:

Words related to MUSCOLOGIES

muscology17
Find what other words can be done using letters: "muscologies"
https://scrabble-word.com/finder/muscologies
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