Viciosities is valid Scrabble Word

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

Definitions for VICIOSITIES in dictionary:

Words related to VICIOSITIES

viciosity17
Find what other words can be done using letters: "viciosities"
https://scrabble-word.com/finder/viciosities
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