Diphthongises is valid Scrabble Word

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

Definitions for DIPHTHONGISES in dictionary:

Words related to DIPHTHONGISES

diphthongise22

Similar words containing DIPHTHONGISE without suffix s

diphthongise22 diphthongised24
Find what other words can be done using letters: "diphthongises"
https://scrabble-word.com/finder/diphthongises
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