prefix/suffix

-ion (suffix)

The act of.

-ence and ance (suffix)

The quality of [base]ing.

-ator (suffix)

One who does.

sub (prefix)

Under.

-id (suffix)

Tending to.

-al (suffix)

Pertaining to.

-meter (suffix)

Measure.

-ive (suffix)

Relating to or tending to.

con, com, co (prefix)

Means 'together' or 'with'.

di, dif, dis (prefix)

Means 'not' or 'apart'.

e (prefix)

Means 'out,' 'from,' or 'completely'.

in (prefix)

Means 'not'.

pre (prefix)

Means 'before' or 'in front of'.

trans (prefix)

Means 'across' or 'through'.

im(prefix)

Means 'into'.

de (prefix)

Means 'down'.

ex (prefix)

Means 'out' or 'from'.

meta (prefix)

Means 'changed'.

inter (prefix)

Means 'among'.

em, im (prefix)

Means 'in'.

sym (prefix)

Means 'with' or 'together'.

hyper (prefix)

Means 'excessive'.

ante (prefix)

Means 'before'.

pro (prefix)

Means 'for'.