Doco is valid Scrabble Word

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

Definitions for DOCO in dictionary:

Words related to DOCO

docos8
Find what other words can be done using letters: "doco"
https://scrabble-word.com/finder/doco
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