| Cosaque | Kosak |
| Cosaques | Kosaken |
| Cosaques du Don | Donkosaken |
| COSATU | Congress of South African Trade Unions |
| Cosby Show | Die Bill Cosby Show |
| Coschütz | Coschütz |
| Coscoroba blanc | Coscorobaschwan |
| Cosenza | Cosenza |
| cosignataire | Mitunterzeichnende |
| cosigner | mitunterzeichnen |
| Cosima Wagner | Cosima Wagner |
| Cosimo Rosselli | Cosimo Rosselli |
| cosinus | Kosinus |
| Cosinus hyperbolique | Sinus Hyperbolicus und Kosinus Hyperbolicus |
| Coslada | Robert Gesink |
| Cosmas de Prague | Cosmas von Prag |
| Cosmas Indicopleustès | Kosmas Indikopleustes |
| Cosmati | Kosmaten |
| Cosme de Médicis | Cosimo de’ Medici |
| Cosmic Background Explorer | COBE |
| Cosmic Gate | Cosmic Gate |
| Cosmide | Cosmid |
| cosmique | kosmisch |
| Cosmocats | ThunderCats |
| Cosmochimie | Kosmochemie |
| cosmodicée | Kosmodizee |
| cosmodrome | Weltraumbahnhof |
| Cosmodrome de Baïkonour | Baiqongyr |
| Cosmodrome de Kapustin Yar | Snamensk |
| Cosmodrome de Plesetsk | Plessezk |
| Cosmodrome de Svobodny | Swobodny |
| cosmogonie | Kosmogonie |
| cosmologie | Kosmologie |
| Cosmologie branaire | Branenkosmologie |
| Cosmologie religieuse | Kosmologie |
| cosmologiste | Kosmologe |
| cosmonaute | Kosmonaut |
| Cosmopolitan | Cosmopolitan |
| cosmopolite | Kosmopolit |
| cosmopolitisme | Kosmopolitismus |
| Cosmopterigidae | Prachtfalter |
| cosmos | Weltall |
| Cosmè Tura | Cosmè Tura |
| cosmétique | Kosmetik |
| cosmétiques | Kosmetik |
| Cosmétologie | Kosmetik |
| Cosmétologue | Kosmetikerin |
| COSO | COSO |
| Cosoleto | Coseleto |
| Cospas-Sarsat | COSPAS-SARSAT |
| cosplay | Cosplay |
| cosse | Hülse |
| cosse de pois | Erbsenhülse |
| Cossidae | Holzbohrer |
| cossin | Ramsch |
| Cossonay | Cossonay VD |
| Cossovo | Kosovo |
| cossu | kapitalkräftig |
