Flashmobbing is valid Scrabble Word

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

Definitions for FLASHMOBBING in dictionary:

Words related to FLASHMOBBING

flashmobbings26

Words that contain FLASHMOBBING

flashmobbings26

Similar words containing FLASHMOBB without suffix ing

flashmobbings26
Find what other words can be done using letters: "flashmobbing"
https://scrabble-word.com/finder/flashmobbing
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