| English | eng-000 | Echizen Railway |
| Nyambo | now-000 | echizimba chobwamba |
| Nyambo | now-000 | echizinga |
| Ladino | lad-001 | echizo |
| Isáŋyáthi | dak-000 | ečhíŋ |
| Dakȟóta | dak-002 | ečhíŋ |
| Lakȟótiyapi | lkt-000 | ečhíŋ |
| Q’eqchi’ | kek-000 | echkab'al |
| mokshenj kalj | mdf-001 | echke |
| oʻzbek | uzn-000 | echki |
| kreyòl ayisyen | hat-000 | Echkòl |
| Puliklah | yur-000 | echkwoh |
| dansk | dan-000 | ECHL |
| English | eng-000 | ECHL |
| suomi | fin-000 | ECHL |
| slovenčina | slk-000 | ECHL |
| svenska | swe-000 | ECHL |
| Lëtzebuergesch | ltz-000 | ech léiwe dech |
| English | eng-000 | echlin |
| langue picarde | pcd-000 | èchlonneu |
| yn Ghaelg | glv-000 | echmagh |
| čeština | ces-000 | echmea |
| slovenčina | slk-000 | echmea |
| čeština | ces-000 | échmea |
| čeština | ces-000 | echmea červená |
| slovenčina | slk-000 | echmea červená |
| čeština | ces-000 | echmea pruhovaná |
| slovenčina | slk-000 | echmea pruhovaná |
| lietuvių | lit-000 | Echmėja |
| yn Ghaelg | glv-000 | echmey |
| English | eng-000 | Echmiadzin |
| italiano | ita-000 | Echmiadzin |
| dorerin Naoero | nau-000 | Echmiadzin |
| bokmål | nob-000 | Echmiadzin |
| suomi | fin-000 | Echmiatsin |
| oʻzbek | uzn-000 | echmoq |
| Deutsch | deu-000 | Echnatoll |
| Deutsch | deu-000 | Echnaton |
| Plattdüütsch | nds-000 | Echnaton |
| polski | pol-000 | Echnaton |
| lietuvių | lit-000 | Echnatonas |
| Makrani | bcc-001 | echʼnesth |
| Western Balochi | bgn-002 | echʼnesth |
| tiếng Việt | vie-000 | ếch nhái |
| Uyghurche | uig-001 | échnishliq aqiwet |
| Uyghurche | uig-001 | échnishliq ehwal |
| Cymraeg | cym-000 | echnos |
| bălgarski ezik | bul-001 | ECHO |
| čeština | ces-000 | ECHO |
| dansk | dan-000 | ECHO |
| Deutsch | deu-000 | ECHO |
| eesti | ekk-000 | ECHO |
| ελληνικά | ell-000 | ECHO |
| English | eng-000 | ECHO |
| suomi | fin-000 | ECHO |
| français | fra-000 | ECHO |
| hrvatski | hrv-000 | ECHO |
| magyar | hun-000 | ECHO |
| italiano | ita-000 | ECHO |
| lietuvių | lit-000 | ECHO |
| latviešu | lvs-000 | ECHO |
| Nederlands | nld-000 | ECHO |
| polski | pol-000 | ECHO |
| português | por-000 | ECHO |
| română | ron-000 | ECHO |
| slovenčina | slk-000 | ECHO |
| slovenščina | slv-000 | ECHO |
| español | spa-000 | ECHO |
| srpski | srp-001 | ECHO |
| svenska | swe-000 | ECHO |
| Türkçe | tur-000 | ECHO |
| dansk | dan-000 | Echo |
| Deutsch | deu-000 | Echo |
| English | eng-000 | Echo |
| français | fra-000 | Echo |
| Ido | ido-000 | Echo |
| Inuktitut | iku-001 | Echo |
| bahasa Indonesia | ind-000 | Echo |
| italiano | ita-000 | Echo |
| latine | lat-000 | Echo |
| lietuvių | lit-000 | Echo |
| lengua lumbarda | lmo-000 | Echo |
| Nederlands | nld-000 | Echo |
| polski | pol-000 | Echo |
| português | por-000 | Echo |
| Fräiske Sproake | stq-000 | Echo |
| Volapük | vol-000 | Echo |
| Jino | jiu-000 | e Ch~o |
| Jino | jiu-000 | eCh~o |
| Sambahsa-mundialect | art-288 | echo |
| ISO 12620 | art-317 | echo |
| čeština | ces-000 | echo |
| Chamoru | cha-000 | echo |
| English | eng-000 | echo |
| Budinos | fiu-001 | echo |
| français | fra-000 | echo |
| interlingua | ina-000 | echo |
| italiano | ita-000 | echo |
| basa Jawa | jav-000 | echo |
| Ladino | lad-001 | echo |
| latine | lat-000 | echo |
| Limburgs | lim-000 | echo |
| Lucumí | luq-000 | echo |
| Nederlands | nld-000 | echo |
| provençau, nòrma mistralenca | oci-002 | echo |
| Papiamentu | pap-000 | echo |
| polski | pol-000 | echo |
| slovenčina | slk-000 | echo |
| slovenščina | slv-000 | echo |
| Sirionó | srq-000 | echo |
| magyar | hun-000 | echó |
| español | spa-000 | echó |
| English | eng-000 | echọ |
| français | fra-000 | Écho |
| langue picarde | pcd-000 | èchô |
| français | fra-000 | écho |
| Glottocode | art-327 | echo1239 |
| Tâi-gí | nan-003 | ̆e-chóa |
| English | eng-000 | echo-absorption circuit |
| Türkçe | tur-000 | ECHO açık |
| English | eng-000 | echo acknowledgement |
| English | eng-000 | echo acousia |
| English | eng-000 | echoacousia |
| English | eng-000 | echo acquisition |
| English | eng-000 | echo again |
| Ethnologue Language Names | art-330 | Echoaldi |
| English | eng-000 | echo altimeter |
| English | eng-000 | echo amplifier |
| English | eng-000 | echo amplitude |
| English | eng-000 | echoaortogram |
| English | eng-000 | echoaortograph |
| English | eng-000 | echoaortography |
| interlingua | ina-000 | echoar |
| English | eng-000 | echo area |
| English | eng-000 | echo arrival |
| English | eng-000 | echo a song |
| English | eng-000 | echo attenuation |
| English | eng-000 | echo attenuaton |
| English | eng-000 | echo audio phone |
| italiano | ita-000 | Echo Award |
| brezhoneg | bre-000 | ec'hoaz |
| brezhoneg | bre-000 | ecʼhoaz |
| brezhoneg | bre-000 | ecʼhoazañ |
| English | eng-000 | echo back |
| English | eng-000 | Echo Base |
| Deutsch | deu-000 | Echo-Basis |
| English | eng-000 | echo bearing |
| English | eng-000 | echo beat |
| Deutsch | deu-000 | Echobelly |
| English | eng-000 | Echobelly |
| français | fra-000 | Echobelly |
| svenska | swe-000 | Echobelly |
| English | eng-000 | echo board |
| English | eng-000 | echo box |
| English | eng-000 | echo-box |
| English | eng-000 | echo box actuator |
| English | eng-000 | echo-box actuator |
| polski | pol-000 | EchoBrain |
| English | eng-000 | Echobrain |
| italiano | ita-000 | Echobrain |
| svenska | swe-000 | Echobrain |
| English | eng-000 | Echo Calendar |
| English | eng-000 | echo-canceling modem |
| English | eng-000 | echo cancellation |
| English | eng-000 | echo cancellator |
| English | eng-000 | echo canceller |
| English | eng-000 | Echo Canyon State Park |
| Nederlands | nld-000 | echocardiografie |
| English | eng-000 | echocardiogram |
| English | eng-000 | echo-cardiograph |
| English | eng-000 | echocardiograph |
| français | fra-000 | echocardiographe |
| français | fra-000 | échocardiographie |
| English | eng-000 | echocardiography |
| English | eng-000 | echocardiography with Doppler analysis |
| English | eng-000 | echocardiophone |
| English | eng-000 | Echo Catalog |
| English | eng-000 | echo cave beetle |
| English | eng-000 | echo cavity resonator |
| English | eng-000 | echo chamber |
| English | eng-000 | echo channel |
| English | eng-000 | echo check |
| English | eng-000 | echo-check |
| English | eng-000 | echo checking |
| English | eng-000 | echocinesis |
| English | eng-000 | echo-compensating method |
| English | eng-000 | echo contour |
| English | eng-000 | echo curve |
| lenga arpitana | frp-000 | éçhôdâ |
| lenga arpitana | frp-000 | éçhôdar |
| English | eng-000 | echo deep sounding |
| français | fra-000 | echo de la pensée |
| español | spa-000 | echo de menos a mis hijos |
| English | eng-000 | echo depth finder |
| English | eng-000 | echo depth recorder |
| English | eng-000 | echo depth-recorder |
| English | eng-000 | echo-depth recorder |
| English | eng-000 | echo depth sounder |
| English | eng-000 | echo depth sounding |
| English | eng-000 | echo depth sounding sonar |
| English | eng-000 | echo distortion |
| English | eng-000 | echodopplercardiography |
| English | eng-000 | echo Doppler indicator |
| English | eng-000 | echo duration control |
| English | eng-000 | echo each other |
| English | eng-000 | echoed |
| English | eng-000 | echoed signal |
| English | eng-000 | Echoed Voice |
| English | eng-000 | echo effect |
| English | eng-000 | echo-effect |
| Deutsch | deu-000 | Echoeffekt |
| English | eng-000 | echo elimination |
| English | eng-000 | echo eliminator |
| English | eng-000 | echoeliminator |
| Nederlands | nld-000 | echoën |
| čeština | ces-000 | echoencefalograf |
| čeština | ces-000 | echoencefalografie |
| English | eng-000 | echoencephalogram |
| English | eng-000 | echoencephalograph |
| français | fra-000 | échoencéphalographie |
| English | eng-000 | echo-encephalography |
| English | eng-000 | echoencephalography |
| Universal Networking Language | art-253 | echoencephalography(icl>diagnostic_procedure>thing) |
| English | eng-000 | echoencephaloscope |
| English | eng-000 | echoendoscopy |
| latine | lat-000 | echoenoides |
| English | eng-000 | Echo Envelope |
| English | eng-000 | echo equalizer |
| Deutsch | deu-000 | Echo erzeugen |
| Deutsch | deu-000 | Echoes |
| English | eng-000 | Echoes |
| français | fra-000 | Echoes |
| italiano | ita-000 | Echoes |
| nynorsk | nno-000 | Echoes |
| polski | pol-000 | Echoes |
| português | por-000 | Echoes |
| English | eng-000 | echoes |
| English | eng-000 | Echoes From a Somber Empire |
| English | eng-000 | Echoes from the Ground |
| italiano | ita-000 | Echoes from the Ground |
| français | fra-000 | Echoes From The Ocean Floor |
| English | eng-000 | Echoes from the Ocean Floor |
| Deutsch | deu-000 | Echoes Of Eternity |
| English | eng-000 | Echoes of Eternity |
| Deutsch | deu-000 | Echoes – Stimmen aus der Zwischenwelt |
| English | eng-000 | Echoes: The Best of Pink Floyd |
| français | fra-000 | Echoes: The Best of Pink Floyd |
| עברית | heb-000 | Echoes: The Best of Pink Floyd |
| magyar | hun-000 | Echoes: The Best of Pink Floyd |
| ქართული | kat-000 | Echoes: The Best of Pink Floyd |
| nynorsk | nno-000 | Echoes: The Best of Pink Floyd |
| polski | pol-000 | Echoes: The Best of Pink Floyd |
| português | por-000 | Echoes: The Best of Pink Floyd |
| русский | rus-000 | Echoes: The Best of Pink Floyd |
| español | spa-000 | Echoes: The Best of Pink Floyd |
| svenska | swe-000 | Echoes: The Best of Pink Floyd |
| Türkçe | tur-000 | Echoes: The Best of Pink Floyd |
| English | eng-000 | echo estimator |
| English | eng-000 | echo excess |
| Cofán | con-000 | ečʰoeɲe |
| français | fra-000 | écho fantôme |
| English | eng-000 | echo-fathom |
| English | eng-000 | Echo Fax Cover |
| English | eng-000 | echo feature |
| English | eng-000 | echo filter |
| English | eng-000 | echo fluctuation |
| English | eng-000 | echo flutter |
| English | eng-000 | echo following |
| Deutsch | deu-000 | Echofrage |
| English | eng-000 | echo-free cell |
| Deutsch | deu-000 | echofrei |
| English | eng-000 | echo frequency |
| Deutsch | deu-000 | Echofunktion |
| Deutsch | deu-000 | Echo geben |
| English | eng-000 | echogenic |
| English | eng-000 | echogenicity |
| Deutsch | deu-000 | Echogewölbe |
| Burushaski | bsk-000 | echoghon |
| Jita | jit-000 | echogo |
| čeština | ces-000 | echograf |
| polski | pol-000 | echografia |
| slovenčina | slk-000 | echografia |
| magyar | hun-000 | echográfia |
| Deutsch | deu-000 | Echografie |
| čeština | ces-000 | echografie |
| Nederlands | nld-000 | echografie |
| čeština | ces-000 | echogram |
| English | eng-000 | echogram |
| italiano | ita-000 | echogram |
| slovenčina | slk-000 | echogram |
| español | spa-000 | echogram |
| Universal Networking Language | art-253 | echogram(icl>picture>thing,equ>sonogram) |
| Deutsch | deu-000 | Echograph |
| English | eng-000 | echograph |
| español | spa-000 | echograph |