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v. Present participle of amortize.

"During this period the quality of subprime loans also declined, going from fixed rate, long-term amortizing loans to loans with low down payments and low (but adjustable) initial rates, indicating that originators were scraping the bottom of the barrel to find product for buyers like the GSEs."

accrue   

amortized    amortizes    amortizing   

liquidate    payoff   

mortmain   

destroy