Avuncularities is valid Scrabble Word

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

Definitions for AVUNCULARITIES in dictionary:

Words related to AVUNCULARITIES

avuncularity20
Find what other words can be done using letters: "avuncularities"
https://scrabble-word.com/finder/avuncularities
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