| subway station | 32.98 | Five subway stations no longer exist. | ||
| subway attack | 26.20 | The Tokyo subway gas attack made this evident. | ||
| subway system | 15.47 | ...the Bay Area Rapid Transit subway system. | ||
| subway train | 13.17 | Subway train, subway train, | ||
| subway line | 12.64 | Right on the subway line. | ||
| subway car | 12.11 | She moves to the other end of the subway car. | ||
| subway stop | 6.06 | Only three subway stops. | ||
| subway worker | 5.92 | Subway workers join growing strike. | ||
| subway platform | 4.74 | Only the subway platforms respond quickly. | ||
| subway rider | 3.69 | Hundreds of subway riders know his name. | ||
| subway tunnel | 3.62 | Reptile takes to subway tunnels. | ||
| subway service | 3.55 | Subway service was chaotic. | ||
| subway project | 1.91 | A recently begun subway project also looks set to go under. | ||
| subway entrance | 1.84 | And in the street outside the subway entrance, a crowd gathering. | ||
| subway official | 1.58 | Subway officials have even tried handing out the cards free. | ||
| subway ride | 1.38 | An extra subway ride to nowhere. | ||
| subway site | 1.18 | Seoul businessmen visited subway construction sites Monday. | ||
| subway token | 1.05 | The subway token as accouterment is not new. | ||
| subway track | 1.05 | If you touch the third rail of a subway track, you get fried. | ||
| subway construction | 0.92 | It was subway construction, ironically, helped derail the Pacific deal. |