Tridactylous is valid Scrabble Word

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

Definitions for TRIDACTYLOUS in dictionary:

Similar words containing DACTYLOU without suffix s and without prefix tri

adactylous16 didactylous18 syndactylous21 hexadactylous29 monodactylous21 polydactylous24 zygodactylous32 anisodactylous20 artiodactylous20 leptodactylous22 macrodactylous24 pachydactylous30 pentadactylous22 tetradactylous20 brachydactylous31 heterodactylous24
Find what other words can be done using letters: "tridactylous"
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