The Collaborative International Dictionary of English v.0.48:

moneylender \moneylender\ n.
   someone who lends money at excessive rates of interest.

   Syn: usurer, loan shark, shark, money-lender.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

moneylender
    n 1: someone who lends money at excessive rates of interest
         [syn: usurer, loan shark, moneylender, shylock]

Moby Thesaurus II by Grady Ward, 1.0:

27 Moby Thesaurus words for "moneylender":
   Shylock, bank clerk, bank manager, bank officer, bank president,
   banker, banking executive, bill broker, cambist, cashier,
   discounter, investment banker, lender, loan officer, loan shark,
   loaner, money broker, money changer, money dealer, moneymonger,
   mortgage holder, mortgagee, note broker, pawnbroker, teller,
   trust officer, usurer