| became known in 13th ce… | 0.42 |
| became known in europe | 0.40 |
| come into use | 0.34 |
| plunge in value | 0.21 |
| chase available goods | 0.16 |
| chase service | 0.16 |
| intrinsic value | 0.72 |
| worthless | 0.66 |
| redeemable | 0.42 |
| convertible | 0.37 |
| more convenient | 0.31 |
| good | 0.30 |
| scarce | 0.16 |
| portable | 0.16 |
| inflationary bubble | 0.37 |
| backed by gold | 0.77 |
| issued | 0.68 |
| backed by silver | 0.67 |
| issued by government | 0.64 |
| redeemed for gold | 0.54 |
| printed | 0.52 |
| introduced in china | 0.45 |
| backed by specie | 0.41 |
| redeemable for silver | 0.41 |
| introduced in europe | 0.40 |
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