Infectiousnesses is valid word

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

Definitions for INFECTIOUSNESSES in dictionary:

Similar words containing FECTIOUSNESSE without suffix s and without prefix in

infectiousnesse20
Find what other words can be done using letters: "infectiousnesses"
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