Semeiology is valid Scrabble Word

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

Definitions for SEMEIOLOGY in dictionary:

Words related to SEMEIOLOGY

semeiologies15 semiology15
Find what other words can be done using letters: "semeiology"
https://scrabble-word.com/finder/semeiology
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