Sporocystic is valid Scrabble Word

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

Definitions for SPOROCYSTIC in dictionary:

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