地底界奇談
Vocabulary Coverage
Learning words in frequency order, here's how many unique words you need to know to reach various coverage percentages for this series:
| Coverage | Words Needed | % of Unique Words |
|---|---|---|
| 75% | 206 | 57.7% |
| 80% | 236 | 66.1% |
| 85% | 267 | 74.8% |
| 90% | 297 | 83.2% |
| 95% | 327 | 91.6% |
| 96% | 333 | 93.3% |
| 97% | 339 | 95.0% |
| 98% | 345 | 96.6% |
| 99% | 351 | 98.3% |
Total Unique Words: 357
Total Word Occurrences: 606