Lending at extortionate rates (5)

I believe the answer is:

usury

(Other definitions for usury that I've seen before include "Exorbitant or unlawful rate of interest" , "Lending of money at exorbitant interest" , "Money-lending at very high rates" , "High-interest lending" , "High-rate money lending" .)

I've seen this clue in The Guardian.

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