Rollock is valid Scrabble Word

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

Definitions for ROLLOCK in dictionary:

Words related to ROLLOCK

rollocks14 rowlock16

Words that contain ROLLOCK

rollocks14 rollocking17 rollockings18
Find what other words can be done using letters: "rollock"
https://scrabble-word.com/finder/rollock
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