Unlistened is valid Scrabble Word

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

Definitions for UNLISTENED in dictionary:

Similar words containing LISTEN without suffix ed and without prefix un

listen6 glisten8 listens7 glistens9 listened9 listener8 relisten8 glistened11 listeners9 listening10 relistens9 glistening12 listenable12 listenings11 relistened11 unlistening12 relistening12 glisteningly17 listenership17 unlistenable14 listenability18 listenerships18 listenabilities17
Find what other words can be done using letters: "unlistened"
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