Theorisation is valid Scrabble Word

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

Definitions for THEORISATION in dictionary:

Words related to THEORISATION

theorisations16

Words that contain THEORISATION

theorisations16

Similar words containing THEORISA without suffix tion

theorisations16
Find what other words can be done using letters: "theorisation"
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