A-, an-
Not without
Ab-
Away, away from
Ad-
Toward
Ambi-
Both sides
Ante-
Before
Bi-
Two, both
Brady-
Slow
Circum-
Around
Dorsi-
Back
Dys-
Painful, difficult
E-, ex-
Out, away from
Hemi-
Half
Hyper-
Above normal
Hypo-
Below normal
In-
In, into, not
Para-
Near, beside
Quadri-
Four
Semi-
Half
Tachy-
Fast
Tri-
Three
-ac, -al, -ar
Pertaining to
-algia
Pain
-asthenia
Weakness
-cele
Hernia, swelling, protrusion