| Solution | Length | |
|---|---|---|
| into | 4 | |
| NERD | 4 | |
| 5 letters | ||
| study | 5 | |
| 6 letters | ||
| review | 6 | |
| 7 letters | ||
| reading | 7 | |
| subject | 7 | |
| 8 letters | ||
| studious | 8 | |
| swept-up | 8 | |
| swotting | 8 | |
| 10 letters | ||
| poringover | 10 | |
| 11 letters | ||
| SPECULATION | 11 | |
| preparation | 11 | |
| RESEARCHING | 11 | |
| preoccupied | 11 | |
| 12 letters | ||
| submerged-in | 12 | |
| 13 letters | ||
| wrapped up in | 13 | |
| single-minded | 13 | |
| 15 letters | ||
| hittingthebooks | 15 | |