Insubstantialities is valid word

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

18 letters word
20 points in Scrabble
25 points in WWF

Definitions for INSUBSTANTIALITIES in dictionary:

ADJECTIVE:

not substantial or real; lacking substance: an insubstantial world of dreams.
not solid or firm; weak; flimsy.
not substantial in amount or size; inconsiderable: an insubstantial sum.

Similar words containing SUBSTANTIALITIE without suffix s and without prefix in

substantialitie17 substantialities18 unsubstantialities20

Find what other words can be done using letters: "insubstantialities"
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