| Solution | Length | |
|---|---|---|
| 3 letters | ||
| wee | 3 | |
| 4 letters | ||
| alga | 4 | |
| tiny | 4 | |
| itty | 4 | |
| thin | 4 | |
| 5 letters | ||
| ameba | 5 | |
| virus | 5 | |
| teeny | 5 | |
| rigid | 5 | |
| eensy | 5 | |
| small | 5 | |
| 6 letters | ||
| teensy | 6 | |
| minute | 6 | |
| amoeba | 6 | |
| severe | 6 | |
| subtle | 6 | |
| square | 6 | |
| strict | 6 | |
| 7 letters | ||
| precise | 7 | |
| refined | 7 | |
| tenuous | 7 | |
| microbe | 7 | |
| 8 letters | ||
| rigorous | 8 | |
| unerring | 8 | |
| 9 letters | ||
| PROTOZOON | 9 | |
| religious | 9 | |
| subatomic | 9 | |
| 10 letters | ||
| diminutive | 10 | |
| ANIMALCULE | 10 | |
| scientific | 10 | |
| teenyweeny | 10 | |
| 11 letters | ||
| undeviating | 11 | |
| 12 letters | ||
| STEREOSCOPIC | 12 | |
| 13 letters | ||
| inappreciable | 13 | |
| infinitesimal | 13 | |
| 17 letters | ||
| three dimensional | 17 | |