Prefix

English

Examples

ante-

before

antemano (beforehand)

anti-

against

anticuerpo (antibody)

auto-

self

automóvil (automobile)

bi-, bis-, biz-

two

bicicleta (bicycle)

cent-

hundred

centímetro (centimeter)

contra-

against

contraataque (counterattack)

com-, con-

with

complot (conspiracy)

de-, des-

undo, diminish

desplegar (to unfold)

entre-

between, among

entremeter (to place among)

ex-

former, outside

exportar (to export)

homo-

same

homónimo (homonym)

i-, im-, in-

opposite

incapaz (incapable)

inter-

between, among

interacción (interaction)

mal-

bad

maltratar (to abuse)

mono-

one

monótono (monotonous)

para-

together, with

paramédico (paramedic)

poli-

many

poligloto (multilingual person)

pre-

before

prefijo (prefix)

pro-

in favor of

prometer (to  promise)

re-

again, with  intensity

repaso (review)

semi-

medium

semidifunto (half-dead)

seudo-

false

seudonombre (pseudonym)

sobre-, super-

superior

supermercado (supermarket)

sub-

under

subsuelo (subsoil)

tele-

at a distance

teléfono (telephone)

uni-

one

unificación (unification)