| Erstspracherwerb | L1 acquisition first language acquisition |
| Zweitspracherwerb | L2 acquisition second language acquisition/ learning |
| Spracherwerb | language acquisition |
| Erstsprache | mother tongue native language |
| Versicherer | insurer |
| erstaunlicherweise | amazingly |
| ersterer | former |
| Ersthelfer | first-aider |
| Versprecher | slip of the tongue |
| erschachern | itch |
| erstrahlen | glitter sparkle shine |
| erstrebenswert | desirable |
| Kunstsprache | artificial language constructed language |
| Lautsprecherbox | loudspeaker |
| Weltsprache | world language |
| Lautsprecher | loudspeaker speaker |
| entsprechen | correspond accord |
| entsprechend | corresponding respective |
| Aussprachefehler | mispronunciation |
| Dreisprachigkeit | trilingualism |