ＲＩＯＴ
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% | 454 | 49.1% |
| 80% | 548 | 59.2% |
| 85% | 643 | 69.5% |
| 90% | 737 | 79.7% |
| 95% | 831 | 89.8% |
| 96% | 850 | 91.9% |
| 97% | 869 | 93.9% |
| 98% | 888 | 96.0% |
| 99% | 907 | 98.1% |
Total Unique Words: 925
Total Word Occurrences: 1,885