Tristichous is valid Scrabble Word

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

Definitions for TRISTICHOUS in dictionary:

Similar words containing STICHOU without suffix s and without prefix tri

astichous14 distichous16 distichously21 monostichous19 octastichous19 octostichous19 parastichous19 polystichous22 orthostichous21 pentastichous20 tetrastichous18
Find what other words can be done using letters: "tristichous"
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