The Collaborative International Dictionary of English v.0.48:

Fraudulence \Fraud"u*lence\ (?; 135), Fraudulency
\Fraud"u*len*cy\, n. [L. fraudulentia.]
   The quality of being fraudulent; deliberate deceit;
   trickishness. --Hooker.
   [1913 Webster]

WordNet (r) 3.0 (2006):

fraudulence
    n 1: a fraudulent or duplicitous representation [syn:
         fraudulence, duplicity]
    2: the quality of being fraudulent [syn: fraudulence,
       deceit]
    3: something intended to deceive; deliberate trickery intended
       to gain an advantage [syn: fraud, fraudulence, dupery,
       hoax, humbug, put-on]