Prefixes
Combining Form
100

Slow

Brady

100

Lacrim/o

Tears

200

Under, Below

Sub

200

Kal/i

Potassium 

300

Fast, Rapid

Tachy

300

What is the combining form for movement or motion?

Kinesi/o

400

Above

Supra 

400

What is the combining for for sensation, sensitivity, feeling?

Esthesi/o

500

Together, Joined

Syn

500

Common bile duct?

Choledoch/o