| claire-voie | clerestory |
| clairement | apparently |
| clairet | claret |
| Clairette | Clairette Blanche |
| clairière | open space |
| Clairmarais | Clairmarais |
| clairon | bugle |
| claironner | spread |
| clairsemé | thin |
| clairvoyance | clairvoyance |
| clairvoyant | farseeing |
| Claix | Claix |
| Clamart | Clamart |
| ClamAV | Clam AntiVirus |
| clameur | clamor |
| Clameur de haro | Clameur de haro |
| Clamp School Detectives | Clamp School Detectives |
| ClamWin | ClamWin |
| clan | clan |
| Clan Abe | Abe clan |
| Clan Amago | Amago clan |
| Clan Asai | Asai clan |
| Clan Asakura | Asakura clan |
| Clan Campbell | Clan Campbell |
| Clan Chosokabe | Chōsokabe clan |
| Clan Date | Date clan |
| Clan Gordon | Clan Gordon |
| Clan Hatakeyama | Hatakeyama clan |
| Clan Hōjō | Hōjō clan |
| Clan Imagawa | Imagawa clan |
| Clan Kobayakawa | Kobayakawa clan |
| Clan Licchavi | Licchavi |
| Clan MacDonald | Clan Donald |
| Clan MacDuff | Clan MacDuff |
| Clan MacGregor | Clan MacGregor |
| Clan MacKintosh | Clan MacKintosh |
| Clan Maeda | Maeda clan |
| Clan Matsudaira | Matsudaira clan |
| Clan Matsumae | Matsumae clan |
| Clan McPicsou | Clan McDuck |
| Clan Mogami | Mogami clan |
| Clan Mōri | Mōri clan |
| Clan Nitta | Nitta clan |
| Clan Oda | Oda clan |
| Clan of the White Lotus | Clan of the White Lotus |
| Clan Saito | Saitō clan |
| Clan Takeda | Takeda clan |
| Clan Uesugi | Uesugi clan |
| Clan Yamana | Yamana clan |
| Clan Yamaura Uesugi | Yamaura Uesugi clan |
| Clan écossais | Scottish clan |
| clanche | doorknob |
| Clancy Wiggum | Clancy Wiggum |
| clandestin | secret |
| clandestinement | underhandedly |
| Clandestino | Clandestino |
| clap | clapperboard |
| clapet | valve |
| Clapham South | Clapham South tube station |
| clapier | burrow |
| clapoter | lap |
| Claquage musculaire | Strained muscle |
| claque | cuff |
