| equable | regular |
| Equaesi | Equesos |
| equal | semejante |
| Equal opportunities | Igualdad de oportunidades |
| Equal Rites | Ritos iguales |
| Equal-loudness contour | Curva isofónica |
| equality | equidad |
| equality of votes | empate |
| Equality State | Wyoming |
| equalization | ecuación |
| equalize | igualar |
| equalizer | igualador |
| equalizing | igualador |
| equally | tanto |
| equally distant | equidistante |
| equally well | igualmente |
| equanimity | ecuanimidad |
| equate | igualar |
| equating | igualador |
| equation | ecuación |
| Equation of motion | Ecuación de movimiento |
| Equation of the center | Ecuación del centro |
| Equation of the equinoxes | Ecuación de los equinoccios |
| Equation solving | Resolución de ecuaciones |
| Equative case | Caso comparativo |
| equator | ecuador |
| Equator correction | Corrección ecuatorial |
| Equator determination | Determinación del ecuador |
| Equator position | Posición del ecuador |
| equatorial | ecuatorial |
| Equatorial bulge | Abultamiento ecuatorial |
| equatorial climate | clima ecuatorial |
| Equatorial coordinate system | Coordenadas ecuatoriales |
| Equatorial coordinates | Coordenadas ecuatoriales |
| Equatorial Guinea | Guinea Ecuatorial |
| Equatorial Guinea national football team | Selección de fútbol de Guinea Ecuatorial |
| Equatorial Guinean | ecuatoguineano |
| Equatorial mount | Montura ecuatorial |
| Equatorial mounting | Montura ecuatorial |
| Equatorial system | Sistema ecuatorial |
| Equatorial zone | Zona ecuatorial |
| Equatot | Ecuador |
| equerries | caballerizo |
| equerry | caballerizo del rey |
| equestrian | jinete |
| Equestrian portrait of Duke de Olivares | El Conde-Duque de Olivares a caballo |
| Equestrian sculpture | Escultura ecuestre |
| Equestrian statue | Escultura ecuestre |
| Equestrian Statue of Marcus Aurelius | Estatua ecuestre de Marco Aurelio |
| equestrianism | equitación |
| equestrienne | caballista |
| Equidae | Equidae |
| equidistance | alejamiento |
| equidistant | equidistante |
| equilateral | equilátero |
| equilateral triangle | triángulo equilátero |
| equilibration | equilibrio |
