a-, an-
Without or absence of
ab-
From or away
ad-
To or towards
ana-
Up
ante-
Before
anti-
Against
append-
To hang something
bi-, bin-
Two
brady-
Slow
contra-
Against
di-
Two
dis-
To undo; free from
ecto-
Outside
endo-
Within
epi-
Upon
erythr-
Red
glyc-
Sweet
hyper-
Over
hypo-
Under
im-
Not
infra-
Beneath; below
inter-
Between
intra-
Inside
iso-
Equal