Baptiser is valid Scrabble Word

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

Definitions for BAPTISER in dictionary:

Words related to BAPTISER

baptise11
Find what other words can be done using letters: "baptiser"
https://scrabble-word.com/finder/baptiser
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