CON

[CO-, COL-, COM-, COR-]

together, with, very

ex: convocation- an assembly(a calling together)

     convalescence- to recover health(to grow very strong)

     conceal- to hide(to hide with)

     concieve- to form something(to take with)

     co-evolution- evolving together

     collocation- placing together

     conflageration- a raging fire(burning very much)

DIS

apart, in different directions, not, very

[DIF-, DI-]

ex: digress- to turn aside(to step in a different direction)

     diffident- lacking confidence(not trusting)

     disdain- contempt(not worthy)

     diverge- to come apart(to bend apart)

     diffraction- modification of light as it passes through a                   surface(breaking in different directions)

SUPER

above, over, more than

ex: superable- capable of being overcome(to overcome)

     superior- situated above

     superfluous- unnecessary(overflowing)

     superficial- related to the surface(over the face)

     superlative- surpassing all others(carry over)

SUB

[SUC-, SUF-, SUG-, SUM-, SUP-, SUR-, SUS-]

under, below, up from below

ex: suffice- to be enough(to do under)

     subterranean- below the earth

     subcutaneous- under the skin

     sublime- lofty, noble(above the threshold)

     succeed- to have a good result(to move up from below)

CONTRA

against

ex: contraband-forbidden goods(against a decree)

     contravene- to act contrary or oppose(to come against)

TRANS

across, through

ex: transact- to carry through(to drive through)

     transfer- to carry across

     transgress- to go beyond the limits(to step across)

DE

from, down from

ex: desist- to cease(to stop from)

     dejected- to depressed(thrown down)

     detract- to take away from(to drag from)

    deduce- to draw from known facts(to lead from)

PRO

forth, before, instead

ex: project- to put forth(to throw forth)

     proscribe- to attribute(to write forth)

     prosper- succeed(put forth hope)

RE

again, back; anew

ex: regress- to return(to step back)

     respect- to think highly of(look back)

     recalcitrant- stubbormly disobedient(to kick back)

     reduce- to lessen(to lead back)

PER

through, bad; very

ex: perfidy- wickedness(bad)

     perennial- through the year

     perverse- contrary(turned bad)

     perfunctory- done without care(to perform badly)

     pernicious- harmful(to kill through)

OB

[O-, OC-, OF-, OP-]

against, towards, to; very

ex: obviate- to remove(to be against the way of)

     obverse- the principal side of(turned toward)

     offend- to do wrong(to strike against)