A-/an-
No, not
Ab-
Away from
Ad-
Toward, near
Ambi-
Both, both sides
Ante-
Before
Anti-
Against
Auto-
Self/own
Brachy-
Short
Brady-
Slow
Con-
With, together
Contra-
Against or opposite
Dys-
Abnormal, bad, difficult, pain
Ecto-
Out, outside
En/endo-
Within, in, inner
Epi-
Upon/on/above
Exo-
Outward, outside
Fore-
Before, in front of
Gero-
Old age
Glyc-
Sugar
Hema/hemat-
Blood
Hetero-
Different
Homo/homeo
Similar
Hyper-
Above, excessive, too much
Hypo-
Under, below, beneath, deficient