Propositioning is valid Scrabble Word

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

Definitions for PROPOSITIONING in dictionary:

Words related to PROPOSITIONING

proposition15

Similar words containing PROPOSITION without suffix ing

proposition15 propositions16 propositional17 propositioned18 propositionally22
Find what other words can be done using letters: "propositioning"
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