| level rise | 0.59 | Genes and living habits can make homocysteine levels rise in the bloodstream. | ||
| level unseen | 0.46 | Unemployment dropped to levels unseen in years, like nowadays. | ||
| level fall | 0.33 | The degree of damage depends on just how low the levels fall. | ||
| level drop | 0.26 | The result is that blood sugar levels drop. | ||
| level increase | 0.26 | As children learn the basics of the game, the skill levels increase, and new backgrounds appear. |