Externalisations is valid word

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

Similar words containing TERNALISATION without suffix s and without prefix ex

eternalisation14 eternalisations15 externalisation22 internalisation15
Find what other words can be done using letters: "externalisations"
https://scrabble-word.com/finder/externalisations
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