| Equión | Echion |
| Equuleus | Equuleus |
| Equus africanus | African Wild Ass |
| Equus asinus | Donkey |
| Equus caballus | Horse |
| Equus quagga | Plains Zebra |
| equívoco | questionable |
| era | age |
| Era astrológica | Astrological age |
| Era Asuka | Asuka period |
| era budista | Buddhist Era |
| Era Cenozoica | Cenozoic |
| era común | Common Era |
| Era cristiana | Anno Domini |
| Era cósmica | Cosmic Era |
| Era de los Descubrimientos | Age of Discovery |
| era espacial | space age |
| Era Genji | Genji |
| Era Genna | Genna |
| Era Genroku | Genroku |
| era glaciar | ice age |
| Era Heian | Heian period |
| Era Heisei | Heisei |
| Era Hispánica | Spanish era |
| Era Keiō | Keiō |
| Era Meiji | Meiji period |
| Era Mesozoica | Mesozoic |
| Era Nara | Nara period |
| Era Paleozoica | Paleozoic |
| Era Proterozoica | Proterozoic |
| Era Sengoku | Sengoku period |
| era una vez | once upon a time |
| era vulgar | Common Era |
| Era Vulgaris | Era Vulgaris |
| Era Yayoi | Yayoi period |
| Eragon | Eragon |
| Eragrostis | Lovegrass |
| Erarico | Eraric |
| Eras de Japón | Japanese era name |
| Eraserhead | Eraserhead |
| Erasmo de Formia | Erasmus of Formiae |
| Erasmo de Narni | Erasmo of Narni |
| Erasmo de Rotterdam | Desiderius Erasmus |
| Erasmo de Róterdam | Desiderius Erasmus |
| Erasmo Luis Surlet de Chokier | Erasme Louis Surlet de Chokier |
| Erasmus | Erasmus |
| Erasmus Darwin | Erasmus Darwin |
| Erasun | Eratsun |
| Erasure | Erasure |
| Erasístrato | Erasistratus |
| Erato | Erato |
| Erato de Armenia | Erato of Armenia |
| Eratóstenes | Eratosthenes |
| Eražem Lorbek | Erazem Lorbek |
| erbia | erbium oxide |
| Erbil | Arbil Governorate |
| erbio | erbium |
| Erdenet | Erdenet |
| Erding | Erding |
| Erebus | Erebus |
| Erec et Enide | Erec and Enide |
| erección | erection |
| erección post mortem | death erection |
| Erechim | Erechim |
| Erecteión | Erechtheum |
| Erecteo | Erechtheus |
| erecto | erect |
| Erectopus | Erectopus |
| erector | erector |
| Ered Luin | Ered Luin |
| Eredivisie | Eredivisie |
| Eregion | Eregion |
| Erementar Gerad | Elemental Gelade |
| Eremurus robustus | Eremurus robustus |
| eres bienvenido a | you're welcome to |
| Ereshkigal | Ereshkigal |
| Eresictón | Erysichthon |
| Ereso | Eresos |
| Erethizon dorsatum | North American Porcupine |
| Erethizontidae | New World porcupine |
| Eretria | Eretria |
| Ereván | Yerevan |
| erg | erg |
| Erga omnes | Erga omnes |
| Ergatividad escindida | Split ergativity |
| ergativo | ergative case |
| ergio | erg |
| Ergisch | Ergisch |
| Ergo Proxy | Ergo Proxy |
| ergonomía | ergonomics |
