| 100% | ALAMOS | 6 | Los ___ (Manhattan Project site) |
| 99% | ALAMOS | 6 | Los ___ (Manhattan Project lab site) |
| 84% | ALAMOS | 6 | Los __, site of the WW2 Manhattan Project |
| 76% | LOSALAMOS | 9 | *Manhattan Project site |
| 63% | ABOMB | 5 | Manhattan Project project |
| 62% | ATESTS | 6 | Manhattan Project projects |
| 62% | URANIUM | 7 | Manhattan Project element |
| 62% | UREY | 4 | Manhattan Project scientist |
| 62% | ABOMB | 5 | Manhattan Project result |
| 62% | FERMI | 5 | Manhattan Project VIP |
| 62% | LAPP | 4 | Manhattan Project physicist |
| 62% | FERMI | 5 | Manhattan Project scientist |
| 62% | FERMI | 5 | Manhattan Project physicist |
| 62% | ABOMB | 5 | Manhattan Project product |
| 62% | TELLER | 6 | Manhattan Project physicist |
| 62% | ABOMB | 5 | Manhattan Project creation |
| 62% | ATOM | 4 | Manhattan Project subject |
| 62% | LOSALAMOS | 9 | Manhattan Project town |
| 62% | ATOMBOMB | 8 | Manhattan Project product |
| 62% | OPPENHEIMER | 11 | Manhattan project leader |
| 61% | ABOMB | 5 | Manhattan Project project, informally |
| 61% | ABOMB | 5 | Manhattan Project project, briefly |
| 61% | OAKRIDGE | 8 | Manhattan Project research center |
| 61% | ATEST | 5 | Manhattan Project trial, briefly |
| 61% | ABOMB | 5 | Manhattan Project result, informally |
| 61% | UREY | 4 | Manhattan Project scientist Harold ___ |
| 61% | ABOMB | 5 | Manhattan Project weapon, informally |
| 61% | ROSSI | 5 | Manhattan Project physicist Bruno ___ |
| 61% | ABOMB | 5 | Manhattan Project weapon (Hyph.) |
| 60% | FISSIONIMPOSSIBLE | 17 | Manhattan Project skeptic's motto? |