Missionises is valid Scrabble Word

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

Definitions for MISSIONISES in dictionary:

Words related to MISSIONISES

missionise12
Find what other words can be done using letters: "missionises"
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