| col blanc | white-collar worker |
| Col de chemise | Neck |
| col de l'utérus | cervix |
| Col de la Bernina | Bernina Pass |
| Col de la Cayolle | Col de la Cayolle |
| Col de la Croix-de-Fer | Col de la Croix de Fer |
| Col de la Forclaz | Col de la Forclaz |
| Col de la Furka | Furka Pass |
| Col de la Gemmi | Gemmi Pass |
| Col de la Maloja | Maloja Pass |
| Col de Larche | Maddalena Pass |
| Col de montagne | Mountain pass |
| Col de Montgenèvre | Col de Montgenèvre |
| Col de Prislop | Prislop Pass |
| Col de Resia | Resia Pass |
| Col de Roncevaux | Roncevaux Pass |
| Col de Saverne | Col de Saverne |
| Col de Tende | Col de Tende |
| Col de Tihuţa | Tihuţa Pass |
| Col de Vars | Col de Vars |
| Col du Brenner | Brenner Pass |
| Col du Brünig | Brünig Pass |
| Col du Fau | Col du Fau |
| Col du fémur | Femoral neck |
| Col du Galibier | Col du Galibier |
| Col du Glandon | Col du Glandon |
| Col du Grand-Saint-Bernard | Great St Bernard Pass |
| Col du Grimsel | Grimsel Pass |
| Col du Julier | Julier Pass |
| Col du Klausen | Klausen Pass |
| Col du Lautaret | Col du Lautaret |
| Col du Lukmanier | Lukmanier Pass |
| Col du Mont-Cenis | Mont Cenis |
| Col du Monte Ceneri | Monte Ceneri Pass |
| Col du Nufenen | Nufenen Pass |
| Col du Petit-Saint-Bernard | Little St Bernard Pass |
| Col du San Bernardino | San Bernardino Pass |
| Col du Simplon | Simplon Pass |
| Col du Somport | Somport |
| Col du Splügen | Splügen Pass |
| Col du Stelvio | Stelvio Pass |
| Col du Susten | Susten Pass |
| Col du Tourmalet | Col du Tourmalet |
| Col du Télégraphe | Col du Télégraphe |
| Col montant | High neck |
| col roulé | turtleneck |
| Col Sud | South Col |
| col-vert | mallard |
| Cola | Cola |
| Cola di Rienzo | Cola di Rienzo |
| Colargol | Colargol |
| Colas | Klaus |
| colback | calpack |
| Colbert | Colbert |
| Colbertisme | Colbertism |
| Colby Armstrong | Colby Armstrong |
| Colchester | Colchester |
| Colchicaceae | Colchicaceae |
| colchicine | colchicine |
| Colchide | Colchis |
| colchique | colchicum |
| colchique d'automne | autumn crocus |
| Cold Spring | Cold Spring |
| ColdFusion | Adobe ColdFusion |
| Coldplay | Coldplay |
| Coldrerio | Coldrerio |
| Coldwave | Coldwave |
| Cole Porter | Cole Porter |
| Cole Younger | Cole Younger |
| Colecovision | ColecoVision |
| Colegiales | Colegiales |
| Coleman Hawkins | Coleman Hawkins |
| Colembert | Colembert |
| Coleoidea | Coleoidea |
| Coleophoridae | Coleophoridae |
| Coleoptera | Beetle |
| coleslaw | coleslaw |
| coleta | coleta |
| Colette | Colette |
| Colette Brosset | Colette Brosset |
| Colette de Corbie | Saint Colette |
| Colibacille | Bacteria coli |
| colibacilles | coliform bacterium |
| colibri | hummingbird |
| Colibri roux | Rufous Hummingbird |
| Colibri à queue large | Broad-tailed Hummingbird |
| Colico | Colico |
| colifichet | bauble |
| Coliidae | Mousebird |
| colimaçon | spiral staircase |
| colin | hake |
