Diphthongising is valid Scrabble Word

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

Definitions for DIPHTHONGISING in dictionary:

Words related to DIPHTHONGISING

diphthongise22

Similar words containing DIPHTHONGIS without suffix ing

diphthongise22 diphthongised24 diphthongises23
Find what other words can be done using letters: "diphthongising"
https://scrabble-word.com/finder/diphthongising
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