| Sort of system | 14 |
| Pertaining to distance | 22 |
| Like liters and kilos | 21 |
| Like hectares | 13 |
| Certain system of measurement | 29 |
| Ton type | 8 |
| System of measures | 18 |
| System of measurement | 21 |
| System of measure | 17 |
| System adopted by most of the world | 35 |
| Standard of assessment | 22 |
| Powers-of-10 system | 19 |
| Not in pounds, say | 18 |
| Measured in grams, e.g. | 23 |
| Like the decimal system | 23 |
| Like some units | 15 |
| Like some measuring units | 25 |
| Like some measurements | 22 |
| Like meters and liters | 22 |
| Like many countries' rulers | 31 |
| Like liters | 11 |
| Like Homer's verses | 23 |
| Like a tonne of bricks? | 23 |
| Comparison need | 15 |
| Based on powers of ten | 22 |
| Alternative to English | 22 |
| A certain system | 16 |
| ____ system | 11 |
| Poet's art | 14 |
| Verse study | 11 |
| Science of poetic rhythm | 24 |
| Part of prosody | 15 |
| Art of writing verse | 20 |
| Paris subway | 12 |
| Geo model | 9 |
| Subway system | 13 |
| Paris underground | 17 |
| D.C. railway | 12 |
| Way around Paris | 16 |
| Subway | 6 |
| Montreal rapid transit system | 29 |
| Mass transit option | 19 |
| DC subway | 9 |
| D.C. public transportation | 26 |
| Urban newspaper section | 23 |
| Paris' subway | 17 |
| Paris transit | 13 |
| Paris subway system | 19 |
| Subway in Paris | 15 |
| Paris tube | 10 |
| Paris transit system | 20 |
| One way to get around Washington | 32 |
| Montreal's railway | 22 |
| Montreal subway | 15 |
| Milan's subway | 18 |
| D.C. subway | 11 |
| ___ area | 8 |
| Way to go, in Paris | 19 |
| Way to commute | 14 |
| Washington transit system, with "the" | 47 |
| Washington transit system (with "the") | 48 |
| Urban railway | 13 |
| The first "M" in M-G-M | 32 |
| Subway, in many places | 22 |
| Subway for René | 18 |
| Quebec underground | 18 |
| Prefix with -plex | 17 |
| Parisian subway | 15 |
| Paris transportation | 20 |
| Paris transport | 15 |
| Milano's subway | 19 |
| MGM, informally | 15 |
| European subway | 15 |
| DC's subway | 15 |
| D.C.'s subway system | 24 |
| Capital transit | 15 |
| Big-city newspaper heading | 26 |
| Big-city newspaper department | 29 |
| Big city newspaper desk | 23 |
| Way to get around in Paris | 26 |
| Way through the Paris underground | 33 |
| Way around Montreal | 19 |
| Way around downtown, perhaps | 28 |
| Urban area, briefly | 19 |
| Underground | 11 |
| Transport to the Tuileries | 26 |
| Trains underground | 18 |
| The first "M" in MGM | 30 |
| The first 'M' of MGM | 28 |
| Subway system in Moscow, Paris, and D.C. | 40 |
| Subway on the Continent | 23 |
| Subway in Milano | 16 |
| Subway for Pierre | 17 |
| Studio, familiarly | 18 |
| Rapid transit system | 20 |
| Parisian chemin de fer | 22 |
| Paris underground system | 24 |
| Paris ride | 10 |
| Paris or D.C. subway | 20 |
| Paris feature | 13 |