| costurar | nähen |
| costureira | Modeschöpferin |
| costureiro | Couturier |
| Cosworth | Cosworth |
| Così fan tutte | Così fan tutte |
| cota | Schranke |
| cota de malha | Kettenpanzer |
| cotangente | Kotangens |
| cotação de fechamento | Schlusskurs |
| cotejar | abgleichen |
| cotidiano | alltäglich |
| cotilédone | Keimblatt |
| Cotinginae | Schmuckvögel |
| coto | Stummel |
| cotoco | Stummel |
| Cotoneaster | Zwergmispeln |
| cotonete | Wattestäbchen |
| Cotonou | Cotonou |
| Cotopaxi | Cotopaxi |
| cotovelada | Stoß |
| cotovelar | ellbögeln |
| cotovelo | Ellbogen |
| cotovia | Feldlerche |
| Cotovia-da-ilha-stephen | Stephenschlüpfer |
| Cotovia-de-poupa | Haubenlerche |
| cottage | Quark |
| Cottbus | Cottbus |
| Cottens | Cottens FR |
| Cotton Bowl | Cotton Bowl Stadium |
| Cottonwood | Cottonwood |
| Coturno | Kampfstiefel |
| cotão | Flaum |
| CouchSurfing | CouchSurfing |
| Coulomb | Coulomb |
| Coulrofobia | Coulrophobie |
| Coulão | Kollam |
| Council of Foreign Relations | Council on Foreign Relations |
| Count Basie | Count Basie |
| Counter-Strike | Counter-Strike |
| Counting sort | Countingsort |
| Country blues | Country Blues |
| Country Club | Country Club |
| Country Estates | Country Estates |
| Country rock | Country-Rock |
| Couperin | Couperin |
| Coupé | Coupé |
| Couraceiro | Kürassiere |
| couraça | Panzer |
| couraçado | Schlachtschiff |
| Couraçado Bismarck | Bismarck |
| Couraçado Gneisenau | Gneisenau |
| Couraçado Potemkin | Knjas Potjomkin Tawritscheski |
| Couraçado Scharnhorst | Scharnhorst |
| Couraçado Tirpitz | Tirpitz |
| Courchevel | Courchevel |
| Courgenay | Courgenay JU |
| Courgette | Zucchini |
| couro | Fell |
| couro cabeludo | Skalp |
| couro cru | Rohleder |
| couro de afiar | Streichriemen |
| couro de cabra | Ziegenfell |
| couro de porco | Schweinsleder |
| couro de tambor | Trommelfell |
