| Solution | Length | |
|---|---|---|
| 4 letters | ||
| work | 4 | |
| form | 4 | |
| teem | 4 | |
| sire | 4 | |
| 5 letters | ||
| start | 5 | |
| spawn | 5 | |
| 6 letters | ||
| set-up | 6 | |
| 7 letters | ||
| produce | 7 | |
| realize | 7 | |
| 8 letters | ||
| engender | 8 | |
| generate | 8 | |
| think up | 8 | |
| 9 letters | ||
| procreate | 9 | |
| reproduce | 9 | |
| propagate | 9 | |
| pullulate | 9 | |
| 10 letters | ||
| strike out | 10 | |
| 11 letters | ||
| proliferate | 11 | |