Extemporizer is valid Scrabble Word

Is extemporizer a scrabble word?
Official Scrabble Players Dictionary YES
Official Tournament and Club Word List YES
Collins Scrabble Words YES
Is extemporizer valid Words with Friends?
Words with Friends YES

Definitions for EXTEMPORIZER in dictionary:

Words related to EXTEMPORIZER

extemporize31
Find what other words can be done using letters: "extemporizer"
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