| A | B |
| ante- + noun (ex. anteayer) | before (ex. day before yesterday) |
| anti- + noun (ex. antirevolucionario) | to oppose, against (ex. anti-revolutionary) |
| des- + adj., noun or verb (ex. deshabitado) | without (ex. uninhabited) |
| em- + noun or verb (ex. empeorar) | to become (ex. to become worse) |
| en- + adjective (ex. endulzar) | to get a certain quality (ex. to sweeten) |
| in- + adjective (ex. inútil) | in-, un- (ex. useless) |
| pre- + noun or adjective (ex. prehistoria) | before (ex. prehistory) |
| re- + verb (ex. recrear) | to repeat, to do again (ex. recreate) |
| sub- + noun (ex. subterráneo) | under (ex. subteranian) |
| -ado, ido (ex. admirado/a) | -ed, en (ex. admired) |
| -bilidad (ex. sensibilidad) | -bility (ex. sensibility) |
| -cia (ex. democracia) | -cy (ex. democracy) |
| -dad (ex. realidad) | -ty (ex. reality) |
| -ismo (ex. impresionismo) | -ism (ex. impressionism) |
| -ista (ex. muralista) | -ist (ex. muralist) |
| -mente (ex. cuidadosamente) | -ly (ex. carefully, attentively) |