Undecidability is valid Scrabble Word

Is undecidability a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is undecidability valid Words with Friends?
Words with Friends YES

Definitions for UNDECIDABILITY in dictionary:

Similar words containing DECIDABIL without suffix ity and without prefix un

decidability21 decidabilities20 undecidabilitie21 undecidabilities22
Find what other words can be done using letters: "undecidability"
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