Effectivities is valid Scrabble Word

Is effectivities a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is effectivities valid Words with Friends?
Words with Friends YES

Definitions for EFFECTIVITIES in dictionary:

Words related to EFFECTIVITIES

effectivity25
Find what other words can be done using letters: "effectivities"
https://scrabble-word.com/finder/effectivities
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