| cymbały | tympanon |
| Cymbelin | Cymbeline |
| Cymbrowie | Cimbres |
| Cymetydyna | Cimétidine |
| cyna | soudure |
| cynamon | cannelle |
| cynamonowiec | cannelier |
| Cynamonowiec cejloński | Cannelier de Ceylan |
| cynamonowy | cannelle |
| Cyndi Lauper | Cyndi Lauper |
| Cyngulum | Cingulum |
| cynik | cynique |
| cynizm | cynisme |
| cynk | zinc |
| Cynka | Zinnia |
| cynober | cinabre |
| cynocefal | cynocéphalie |
| Cynodon | Cynodon |
| Cynodonty | Cynodontia |
| Cynognat | Cynognathus |
| Cynowanie | Étamage |
| cynowy | d'étain |
| Cyntia | Cynthia |
| Cypr | Chypre |
| Cypr Północny | Chypre du Nord |
| Cypraea achatidea | Cypraea achatidea |
| Cypraea acicularis | Cypraea acicularis |
| Cypraea albuginosa | Cypraea albuginosa |
| Cypraea annettae | Cypraea annettae |
| Cypraea argus | Porcelaine argus |
| Cypraea caputserpentis | Cypraea caputserpensis |
| Cypraea depressa | Mauritia depressa |
| Cypraea erosa | Cypraea erosa |
| Cypraea isabella | Cypraea isabella |
| Cypraea moneta | Erosaria moneta |
| Cypraea staphylaea | Cypraea staphylaea |
| Cypraea talpa | Porcelaine taupe |
| Cypraea testudinaria | Cypraea testudinaria |
| Cypraea tigris | Cypraea tigris |
| Cypraea ziczac | Cypraea ziczac |
| Cypress Hill | Cypress Hill |
| Cyprian Kamil Norwid | Cyprian Kamil Norwid |
| Cyprian z Kartaginy | Cyprien de Carthage |
| Cypriano de Rore | Cyprien de Rore |
| Cyprinus | Cyprinus |
| Cyprofloksacyna | Ciprofloxacine |
| Cyprus Airways | Cyprus Airways |
| Cyprus Turkish Airlines | Cyprus Turkish Airlines |
| Cypryjczycy | Démographie de Chypre |
| Cypryjczyk | Chypriote |
| Cypryjka | Chypriote |
| cypryjski | chypriote |
| cyprys | cyprès |
| Cyprysik Lawsona | Cyprès de Lawson |
| Cyprysowate | Cupressaceae |
| Cypryśnik błotny | Cyprès chauve |
| Cyraneczka bajkalska | Sarcelle élégante |
| Cyranka modroskrzydła | Sarcelle soucrourou |
| Cyrano de Bergerac | Savinien de Cyrano de Bergerac |
| Cyrena | Cyrène |
| Cyrenaicy | Cyrénaïsme |
| Cyrenajka | Cyrénaïque |
| Cyril Baselios Malancharuvil | Cyril Mar Baselios Malancharuvil |
| Cyril Hinshelwood | Cyril Norman Hinshelwood |
| Cyril Raffaelli | Cyril Raffaelli |
| cyrk | cirque |
| Cyrk lodowcowy | Cirque naturel |
| cyrkiel | compas |
| cyrkon | zirconium |
| cyrkonia | zircone |
| Cyrkulacja termohalinowa | Circulation thermohaline |
| Cyrkumfleks | Accent circonflexe |
| Cyrodiil | Cyrodiil |
| Cyrulik sewilski | Le Barbier de Séville |
| Cyrus | Cyrus |
| Cyrus I | Cyrus Ier |
| Cyrus II Wielki | Cyrus II |
| Cyrus Młodszy | Cyrus le Jeune |
| Cyrus Reza Pahlawi | Reza Pahlavi II |
| Cyrus Vance | Cyrus Vance |
| Cyryl | Cyrille |
| Cyryl i Metody | Cyrille et Méthode |
| Cyryl Jerozolimski | Cyrille de Jérusalem |
| Cyryl Koburg | Cyrille de Bulgarie |
| cyrylica | cyrillique |
| cysta | kyste |
| cysteina | cystéine |
| cysterna | camion-citerne |
| cysterna paliwowa | installation de réservoir à carburant |
| Cystersi | Ordre cistercien |
| cystyna | cystine |
| cytat | citation |
| Cytaty Przewodniczącego Mao | Petit Livre rouge |
| Cytochrom c | Cytochrome C |
| Cytokininy | Cytokinine |
| cytologia | cytologie |
| Cytomegalowirus | Cytomégalovirus |
| Cytometria przepływowa | Cytométrie en flux |
| cytoplazma | cytoplasme |
| cytoplazmatyczny | cytoplasmique |
| Cytoszkielet | Cytosquelette |
| cytotoksyczność | cytotoxicité |
| Cytozyna | Cytosine |
| cytra | cithare |
| Cytronelol | Citronellol |
| Cytrulina | Citrulline |
| cytrus | agrume |
| cytryna | citron |
| Cytryna zwyczajna | Citron |
| Cytryniec | Schisandra |
| Cytryniec chiński | Schisandra chinensis |
| Cytryńcowate | Schisandraceae |
| Cyweta afrykańska | Civettictis civetta |
| cywil | civil |
