C to Calcite

Calcium bicarbonate to Camcorder

Camel to Canna indica

Cannabis to Capsaicin

Capsella to Caribbean

Caribbean Sea to Carthage

Carthamus to Cataract

Catasetum to Cedrela

Cefadroxil to Centropomus

Centrosome to Chalcopyrite

Chalet to Charles Laughton

Charles Lindbergh to Chenopodium vulvaria

Cheque to Chimaphila

Chimaphila umbellata to Chlorous acid

Chlorpromazine to Chromosphere

Chronic wasting disease to Ciprofloxacin

Circaea to Classical conditioning

Classical mechanics to Clitocybe

Clitoria to Coaxial cable

Cobalt to Colchicaceae

Colchicum to Columbia University

Columbian Mammoth to Community

Comoro Islands to Congo River

Congridae to Conyza

Conyza canadensis to Cornbread

Corned beef to Cottage cheese

Cotter pin to Crab louse

Crab Nebula to Cribbage

Cricetidae to Crow step

Crow's nest to Cucurbita

Cucurbitaceae to Cutlassfish

Cutlery to Cypripedium fasciculatum

Cypripedium montanum to Czestochowa