Interrogational is valid Scrabble Word

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

Definitions for INTERROGATIONAL in dictionary:

Similar words containing TERROGATION without suffix al and without prefix in

interrogation14 interrogations15 reinterrogation16
Find what other words can be done using letters: "interrogational"
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