The average number of words for each word frequency rank (rank 1 is the lowest frequency and rank 15 is the highest frequency).
| rank | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| cover | 961.1 | 56.7 | 35.5 | 29.3 | 36.7 | 45.5 | 55.4 | 49.2 | 48.4 | 39.6 | 31.2 | 23.9 | 19.8 | 14.5 | 239.2 |
| stego | 973.8 | 56.2 | 35.2 | 29.2 | 36.3 | 46.0 | 55.7 | 49.2 | 47.9 | 40.3 | 30.6 | 23.6 | 20.6 | 14.7 | 238.7 |
| rank | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| cover | 961.1 | 56.7 | 35.5 | 29.3 | 36.7 | 45.5 | 55.4 | 49.2 | 48.4 | 39.6 | 31.2 | 23.9 | 19.8 | 14.5 | 239.2 |
| stego | 973.8 | 56.2 | 35.2 | 29.2 | 36.3 | 46.0 | 55.7 | 49.2 | 47.9 | 40.3 | 30.6 | 23.6 | 20.6 | 14.7 | 238.7 |