Hypocycloidal is valid Scrabble Word

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

Definitions for HYPOCYCLOIDAL in dictionary:

Similar words containing HYPOCYCLOID without suffix al

hypocycloid27 hypocycloids28
Find what other words can be done using letters: "hypocycloidal"
https://scrabble-word.com/finder/hypocycloidal
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