Intonational is valid Scrabble Word

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

Definitions for INTONATIONAL in dictionary:

Similar words containing TONATION without suffix al and without prefix in

detonation11 intonation10 detonations12 intonations11 protonation13 protonations14
Find what other words can be done using letters: "intonational"
https://scrabble-word.com/finder/intonational
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