Simultaneousness is valid Words with Friends

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

Definitions for SIMULTANEOUSNESS in dictionary:

Words that contain SIMULTANEOUSNESS

simultaneousnesses20

Similar words containing SIMULTANEOUSNES without suffix s

simultaneousnes17 simultaneousnesses20
Find what other words can be done using letters: "simultaneousness"
https://scrabble-word.com/finder/simultaneousness
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