| Coronavirus | coronavirus |
| Norovirus | norovirus |
| Ebolavirus | Ebola virus |
| Coroner | coroner |
| koronar | coronary |
| Jeronimus | Jerome |
| Octavius | Octavius |
| Mosaikvirus | mosaic |
| Norwalkvirus | Norwalk virus |
| Cornelia | Cornelia |
| Cornrow | cornrow |
| Cordon bleu | cordon bleu |
| Cornflakes | corn flakes |
| Corpus | corpus |
| Koronal | coronal |
| koronal | coronal |
| orontisch | Orontian |
| Korona | aureole |
| Orontes | Orontes |
| Aeronium | Aeronian |