Antiharassment is valid Scrabble Word

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

Definitions for ANTIHARASSMENT in dictionary:

Similar words containing HARASSM without suffix ent and without prefix anti

harassment15 harassments16
Find what other words can be done using letters: "antiharassment"
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