| Ecclesiastical Latin | latin ecclésiastique |
| ecclesiology | ecclésiologie |
| Ecdicius | Ecdicius |
| Ecdysone | Ecdysone |
| Ecdysozoa | Ecdysozoa |
| Ecgfrith of Northumbria | Ecgfrith de Northumbrie |
| Echandens | Echandens |
| Echarlens | Echarlens |
| Echelle gratings | Reseau Echelle |
| Echelle spectra | Spectre Echelle |
| Echelle spectrographs | Spectrographe Echelle |
| Echelle spectrometers | Spectrometre Echelle |
| echelon | échelon |
| Echelsbach | Echelsbach |
| Echichens | Echichens |
| echidna | échidné |
| Echinacea purpurea | Echinacea |
| Eching am Ammersee | Eching am Ammersee |
| Echinocereus | Echinocereus |
| Echinochloa | Millet japonais |
| Echinochloa frumentacea | Millet japonais |
| Echinococcus granulosus | Echinococcus granulosus |
| Echinococcus multilocularis | Echinococcus multilocularis |
| echinoderm | échinoderme |
| echinoderms | échinodermes |
| Echinodorus | Echinodorus |
| Echinodorus angustifolius | Echinodorus angustifolius |
| Echinodorus bleheri | Echinodorus bleheri |
| Echinodorus cordifolius | Echinodorus cordifolius |
| Echinodorus horizontalis | Echinodorus horizontalis |
| Echinodorus martii | Echinodorus martii |
| Echinops | Echinops |
| Echinorhinidae | Echinorhinidae |
| Echinorhinus | Echinorhinidae |
| Echis | Echis |
| Echis carinatus | Echis |
| Echis leucogaster | Echis leucogaster |
| Echium | Echium |
| Echium plantagineum | Echium plantagineum |
| Echium vulgare | Vipérine commune |
| Echium wildpretii | Vipérine de Ténérife |
| Echiura | Echiura |
| ECHL | East Coast Hockey League |
| Echmiadzin | Etchmiadzin |
| echo | renvoyer |
| Echo Base | Base Echo |
| Echo of Moscow | Radio Echo de Moscou |
| echo sounder | sondeur à ultra-sons |
| Echograph | Échographe |
| echography | échographie |
| echolalia | écholalie |
| echolalic | écholalique |
| echolocation | écholocation |
| Echternach | Echternach |
| Echternacherbrück | Echternacherbrück |
| Echuu Shen-Jon | Echuu Shen-Jon |
| Ecitoninae | Ecitoninae |
| Eckernförde | Eckernförde |
| Eckhart Tolle | Eckhart Tolle |
| Eckō | Eckō Unlimited |
| Eclagnens | Eclagnens |
| eclair | éclair |
| eclaircissement | éclaircissement |
| eclectic | éclectique |
| eclecticism | éclectisme |
| Eclectus Parrot | Grand Éclectus |
| eclipse | éclipse |
| Eclipse Modeling Framework | Eclipse Modeling Framework |
| Eclipsing binary stars | Binaire a eclipses |
