Irredeemability is valid Scrabble Word

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

Definitions for IRREDEEMABILITY in dictionary:

Similar words containing REDEEMABIL without suffix ity and without prefix ir

redeemability21 redeemabilities20
Find what other words can be done using letters: "irredeemability"
https://scrabble-word.com/finder/irredeemability
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