The google Ngram viewer: http://books.google.com/ngrams/graph?content=chattel+property%2Cchattel+currency%2Cchattel+slavery&year_start=1800&year_end=2000&corpu

The google Ngram viewer: http://books.google.com/ngrams/graph?content=chattel+property%2Cchattel+currency%2Cchattel+slavery&year_start=1800&year_end=2000&corpus=15&smoothing=3&share= http://books.google.com/ngrams/graph?content=chattel+propert... Currency doesn't even register. Slavery wins by miles.