Monotonises is valid Scrabble Word

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

11 letters word
13 points in Scrabble
16 points in WWF

Definitions for MONOTONISES in dictionary:

VERB:

MONOTONISE, to make into a monotone, also MONOTONIZE

Words related to MONOTONISES

monotonise12

Similar words containing TONISE without suffix s and without prefix mono

cantonise11 peptonise13 syntonise12 teutonise9 wantonise12 cantonised13 cantonises12 gluttonise11 monotonise12 peptonised15 peptoniser14 peptonises14 syntonised14 syntonises13 teutonised11 teutonises10 wantonised14 wantonises13 gluttonised13 gluttonises12 monotonised14 peptonisers15 skeletonise15 skeletonised17 skeletoniser16 skeletonises16 skeletonisers17

Find what other words can be done using letters: "monotonises"
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