Unfranked is valid Scrabble Word

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

Definitions for UNFRANKED in dictionary:

Similar words containing FRANK without suffix ed and without prefix un

frank12 franks13 franked15 franker14 frankly17 frankum16 frankers15 frankest15 franking16 franklin15 frankums17 prefrank17 frankable18 frankfort19 frankfurt19 franklins16 frankness16 overfrank19 prefranks18 frankforts20 frankfurts20 prefranked20 frankfurter21 franklinite18 franknesses18 frankpledge22 prefranking21 frankalmoign22 frankfurters22 frankincense21 franklinites19 frankpledges23 frankalmoigns23 frankincenses22
Find what other words can be done using letters: "unfranked"
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