A NEW RETROGRADE HEBREW AND ARAMAIC LEXICON is
noted at Balashnut and it doesn't get a terribly positive review:
I received an e-mail this morning from Amazon, suggesting that I might be interested in the Retrograde Hebrew and Aramaic Dictionary by Ruth Sander and Kerstin Mayerhofer (Vandenhoeck & Ruprecht, 2010). Here is a look from Google Books.
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I agree that this seems more appropriate as an electronic database, especially given the price. Also, there is already an old retrograde lexicon for ancient Hebrew, although it is long out of print:
Kuhn, Karl Georg, Rückläufiges hebräisches Wörterbuch, Vandenhoeck & Ruprecht, Göttingen, 1958