| Solution | Length | |
|---|---|---|
| 3 letters | ||
| try | 3 | |
| 4 letters | ||
| LABS | 4 | |
| shot | 4 | |
| test | 4 | |
| stab | 4 | |
| step | 4 | |
| 5 letters | ||
| trial | 5 | |
| ntest | 5 | |
| proof | 5 | |
| taste | 5 | |
| essay | 5 | |
| prove | 5 | |
| whack | 5 | |
| habit | 5 | |
| 6 letters | ||
| tryout | 6 | |
| verify | 6 | |
| stroke | 6 | |
| sample | 6 | |
| 7 letters | ||
| venture | 7 | |
| labcoat | 7 | |
| usedpot | 7 | |
| r and d | 7 | |
| try out | 7 | |
| testing | 7 | |
| 8 letters | ||
| biotests | 8 | |
| incident | 8 | |
| validate | 8 | |
| research | 8 | |
| 9 letters | ||
| knowledge | 9 | |
| road test | 9 | |
| emilezola | 9 | |
| 10 letters | ||
| giveitatry | 10 | |
| 11 letters | ||
| UNDERTAKING | 11 | |
| 12 letters | ||
| substantiate | 12 | |
| illustration | 12 | |
| 13 letters | ||
| rule of thumb | 13 | |
| 15 letters | ||
| trial-and-error | 15 | |
| exemplification | 15 | |
| 24 letters | ||
| research and development | 24 | |