encephalitis lethargica/liʹthahjikə/ noun

• cordon sanitaire
• cordovan
• corduroy
• corduroy road
• cordwainer
• cordwood
• CORE
• core
• coreferential
• coreligionist
• coreopsis
• corepressor
• co-respondent
• core subject
• core time
• corf
• corgi
• coria
• coriander
• Corinthian
• Coriolis force
• corium
• cork
• corkage
• corked