Quintuplication is valid Scrabble Word

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

Definitions for QUINTUPLICATION in dictionary:

Similar words containing QUINTUPLICA without suffix tion

quintuplicate26 quintuplicated28 quintuplicates27 quintuplicating29
Find what other words can be done using letters: "quintuplication"
https://scrabble-word.com/finder/quintuplication
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