Seropositivities is valid word

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

Similar words containing SEROPOSITIVITIE without suffix s

seropositivitie20
Find what other words can be done using letters: "seropositivities"
https://scrabble-word.com/finder/seropositivities
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