Common Roots in English and Spanish Prefix Root M eaning English Exam ples ante-­‐ before antebellum, antecedent anti-­‐ against antiwar, antihero, antithesis auto-­‐ self automobile, automatic bi-­‐ / bis-­‐ / biz-­‐ cent-­‐ two bicycle, bilingual, biome hundred con with century, bicentennial, centipede connect, continue, converse ex-­‐ former, outside exclude, exit, exterminate inter-­‐ between, among internet, interstate, interweave mal-­‐ bad pro-­‐ in favor of re-­‐ again malicious, malpractice, malfunction prolife, professional, proponent review, repeat, rewrite aud hear astir star bio life dict mit / mis ped phon port speak; tell send foot sound carry scrib vit / viv write life auditorium, audition, auditory astronomy, astrology, astronaut biology, biography, biome, biosphere dictate, dictator, predict mission, transmit, permission pedal, pedestal, pedestrian phoneme, microphone transport, transportation, important, portable scribble, scribe, manuscript vitamin, vital, vivid Spanish Exam ples antemano, anteayer, antebrazo, anteponer anticuerpo, antimateria, anticoncepción autodisciplina, autogestión, automóvil bicicleta, bilingüe, bisemenal centímetro, centenary convivir, conjutar, contento excombatiente, exportar, exprimiar interacción, interrumpir, interponer maltratar, malpensado, malvivir proponer, prometer, pronombre repaso, renacer, renegar autiorio, audición astrología, astronauta biografía, biología dictar, dictador mission, transmitir pedal, pedestal fonema, micrófono transporter, portatil, oportunidiad escribir vivir, vitamina