Impermeabilities is valid word

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

Definitions for IMPERMEABILITIES in dictionary:

Similar words containing PERMEABILITIE without suffix s and without prefix im

permeabilities20 impermeabilitie23 semipermeabilities26
Find what other words can be done using letters: "impermeabilities"
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