Cephal means (a)   . An octopus is a cephalopod.

Chemi and chemo both means (a)   .

Chloro means (a)   , the color of the leaves in the spring.

Chondro means (a)   . Our bones are made of this before they ossify.

Chroma and chrom both mean (a)   . I hope you stayed inside the lines.

Chylo and chymo both mean (a)   , but I wouldn't want to drink it.

Cili means (a)   , but you won't find any on the top of your head.

Circ and circa both mean (a)   , they refer to things that go round and round.