- chronisch
- chronisch werden lassen
- Chronolekt
- Chronologie
- Chronometer
- Chrysantheme
- Chüechlichrut
- Chuzpe
- ciao
- Cicero
- Cicerone
- Cichorium endivia
- Ciconia ciconia
- Ciconia nigra
- Cicuta virosa
- Cidre
- Cigar City
- cilada
- Cin Cin
- Cineast
- Cinema
- cinerarius
- Cinnabarit
- Cipollino
- Ciragenmalerei
- circa
- Circe
- circulus vitiosus
- Circus
- Cisjordanien
- Citoyen
- Citronenmelisse
- Citrouille
- Citrus × aurantium
- Citrus limon
- Citrus reticulata
- City
- Citymaut
- Claim
- Clan
- Clanchef
- Claqeur
- Claqueur
- Clare
- Clarintrompete
- Classis
- Claus
- Clause
- Clavicembalo
- Clavicula
- claviform
- Clavus
- Claytonie
- clean
- clear
- Cleaver
- Clementine
- clever
- Cleverness
- Clinch
- Clique
- Cliquenwesen
- Cliquenwirtschaft
- Clitocybe geotropa
- Clitocybe nebularis
- Clochard
- Clog
- clonen
- Clou
- Clown
- Clownerie
- Clownfisch
- Clownsmaske
- Club
- Cluster
- cm²
- Coach
- Cobalamin
- Coblenz
- Cobolentz
- Coca
- Coccinellidae
- Coccinia grandis
- Coccyx
- Cochenille
- Cochlea
- Cochonnerie
- cock
- Cockpit
- Cocktail
- Cocktailbar
- Cocktailbrötchen
- Cocktailhappen
- Cocktailkleid
- Cocktaillieferservice
- Cocktailparty
- Coco
- Cocorado
- Coda
- Code
- Code civil
- Code Napoleon
- Code of Conduct
- coden
- Codewort
- Codex
- codieren
- codiert
- Codierung
- Coecum
- Coemeterium martyrum
- cognac
- cognacfarben
- Coiffeur
- Coiffeurin
- Coiffeuse
- Coitus
- Coitus intermammarius
- Coke
- Col
- Cola
- Colabüchse
- Coladose
- Colaweizen
- Colchicum autumnale
- cold
- Cold Wave
- Colibri coruscans
- Collage
- College
- Collier
- Collybia velutipes
- Cölom
- Colombo
- Cölomtheorie
- Colon
- Colonia Ulpia Traiana
- Coloproktologe
- Colorado
- Colorfilm
- Colostrum
- Colt
- Colt <sup>®</sup>
- Columna
- Comatulida
- Combo
- Comeback
- Comedian
- Comestibles
- Comic
- Comicheft
- Comicstrip
- Comiczeichner
- Comingout
- comme il faut
- Commitment
- Commonwealth der Bahamas
- Community
- como
- Compact Disc Digital Audio
- Compagnie
- Compagnon
- Compiler
- compilieren
- Completorium
- Compositae
- Computer
- Computerabsturz
- Computeranlage
- Computerbauteil
- Computerbestandteil
- Computerbildschirm
- Computerelement
- Computergame
- computergestützt
- Computerhardware
- Computerkomponente
- Computerlinguistik
- Computernetz
- Computernetzwerk
- Computerprogramm
- Computerspiel
- Computersprache
- Computertastatur
- Computerteil
- Computertomografie
- Computertomographie
- Computervirus
- Computerwissenschaft
- concealed
- Concierge
- Concone
- condign
- Conditio sine qua non
- Condottiere
- conferieren
- Confluentes
- Connaisseur
- connect
- Connecticut
- connection
- Connections
- connective
- Conops quadrifasciatus
- conscientious
- Consomme
- Constitution State
- constitutional
- Constructio ad sensum
- Constructio kata synesin
- Consultant
- Contactlinse
- container
- Containerfrachter
- Containerschiff
- Contenance
- Content Management System
- contention
- contento
- contra
- Contradictio in adiecto
- Controller
- Convallaria majalis
- cool
- cool bleiben
- coolio
- Copernicium
- Copper State
- Coprinus comatus
- copula
- Copyrightverletzung
- Copyschrift
- Cor
- Coracias garrulus
- coram publico
- Cord
- Cordhose
- Corilagin
- Cornea
- Corner
- Cornhusker State
- Cornichon
- Corolla
- Coromandelholz
- Corona
- Corona dentis
- Corpent
- Corporate Governance
- Corps
- Corps de ballet