1. bio = life Words biology - study of living things
biography – writing about a person’s life
biochemist – student of chemistry of living things

2. capit, capt = head Words decapitate – remove one’s head
captain - chief
capital – official seat of government
caption – heading or subheading

3. ced, cess = to yield, to go Words recede - go back, withdraw
antecedent – that which goes before
process – go forward
secession – withdraw from something (go back)

4. celer = swift Words celerity - swiftness decelerate – reduce swiftness
accelerate – increase swiftness

5. chron = time Words chronology - timetable of events
anachronism – a thing out of time sequence
chronicle – display events in order of time

6. cid, cis = to cut, to kill Words incision – a surgical cut
homicide – killing of a man
fratricide - killing of a brother
incisor – tooth that cuts into

7. cit, citat = to call, to start
Words
incite - stir up, start up
excite - stir up
recitation – recalling aloud
cite – to quote something or somebody

8. clam, clamat = to cry out Words clamor - to cry out clamorous - loud
declamation - speech
acclamation – shouted approval
proclamation – a public or formal announcement

9. cognosc, cognit = to learn
Words
agnostic - lacking knowledge; skeptical
incognito – under an assumed name
cognition – knowledge
prognosis – the prediction of a course of a disease

10. cord = heart Words accord – agreement (from the heart)
cordial – friendly
discord – lack of harmony (not from the heart)