| Solution | Length | |
|---|---|---|
| 3 letters | ||
| ion | 3 | |
| 4 letters | ||
| atom | 4 | |
| beta | 4 | |
| pion | 4 | |
| muon | 4 | |
| 5 letters | ||
| meson | 5 | |
| quark | 5 | |
| water | 5 | |
| stuff | 5 | |
| 6 letters | ||
| proton | 6 | |
| lepton | 6 | |
| baryon | 6 | |
| 7 letters | ||
| neutron | 7 | |
| protons | 7 | |
| 8 letters | ||
| neutrino | 8 | |
| electron | 8 | |
| 9 letters | ||
| substance | 9 | |
| subatomic | 9 | |
| 10 letters | ||
| SUBSTRATUM | 10 | |
| 11 letters | ||
| STRANGENESS | 11 | |