Coadministrations is valid word

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

Similar words containing ADMINISTRATION without suffix s and without prefix co

administration17 administrations18 coadministration21 misadministration22 maladministration22 maladministrations23 misadministrations23 antiadministration21
Find what other words can be done using letters: "coadministrations"
https://scrabble-word.com/finder/coadministrations
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