-Algia
Pain 
Arthralgia (Pain in a joint)
A-, An-
Without
Not
No
Phleb/o
Vein
Phlebotomy
Valsartan
Losartan
Lovastatin
HMG-CoA reductase inhibitor
cholesterol lowering agent
-Ase
Enzyme
Lactase
Brady
Slow
Bradycardia (slow heart beat)
Eye
Ocular
Amlodipine
Nifedipine
Lisinopril
Ace inhibitor
anti hypertensive
-Logy
Study of Biology
Tachy
Fast
Tachycardia ( Fast heartbeat)
-Sclerosis
Hardening
Atherosclerosis
Acyclovir
Valacyclovir
Metoprolol
Beta blocker
Anti hypertensive
-Graphy (graph)
instrument for recording 
Radiograph (Image that you get from an xray)
Leuk
White
Leukocyte
Pulm/o
Lungs
pulmonology
Cefdinir
Cephalexin
Mometasone
Corticosteroid
-Gram
Record
Electrocardiogram (records the electric signals from the heart)
Iso
Equal
Isotonic
Thromb/o
Blood clot
Thrombosis
Prednisone
Methylprednisolone
Levofloxacin
Fluoroquinolone
Antibiotic