Trierarchy is valid Scrabble Word

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

Definitions for TRIERARCHY in dictionary:

Words related to TRIERARCHY

trierarchies17
Find what other words can be done using letters: "trierarchy"
https://scrabble-word.com/finder/trierarchy
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