Obligational is valid Scrabble Word

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

Definitions for OBLIGATIONAL in dictionary:

Similar words containing OBLIGATION without suffix al

obligation13 obligations14 disobligation17 disobligations18
Find what other words can be done using letters: "obligational"
https://scrabble-word.com/finder/obligational
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