Diphthongization is valid word

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

16 letters word
35 points in Scrabble
37 points in WWF

Definitions for DIPHTHONGIZATION in dictionary:

VERB:

change (a vowel) into a diphthong

NOUN:

The act of changing into a diphthong.

Words that contain DIPHTHONGIZATION

diphthongizations36

Similar words containing DIPHTHONGIZA without suffix tion

diphthongizatio34 diphthongizations36

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

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