Convertiblenesses is valid word

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

17 letters word
24 points in Scrabble
30 points in WWF

Definitions for CONVERTIBLENESSES in dictionary:

NOUN:

an automobile or a boat with a folding top.
a sofa, couch, or chair whose seating section can be folded out into a bed.
a convertible bond or security.

ADJECTIVE:

capable of being converted.
having a folding top, as an automobile or pleasure boat.
exchangeable for something of equal value: debts payable only in convertible currencies.

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