Phenolphthaleins is valid word

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

Definitions for PHENOLPHTHALEINS in dictionary:

Similar words containing PHENOLPHTHALEIN without suffix s

phenolphthalein28
Find what other words can be done using letters: "phenolphthaleins"
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