| English | eng-000 |
| subject of study | |
| বাংলা | ben-000 | বিদ্যা |
| Deutsch | deu-000 | Beruf |
| Deutsch | deu-000 | Fach |
| Deutsch | deu-000 | Fachgebiet |
| Deutsch | deu-000 | Hauptfach |
| English | eng-000 | classes |
| English | eng-000 | expert |
| English | eng-000 | instruction |
| English | eng-000 | major |
| English | eng-000 | speciality |
| English | eng-000 | specialty |
| Esperanto | epo-000 | studobjekto |
| français | fra-000 | spécialité |
| 日本語 | jpn-000 | 専門 |
| 日本語 | jpn-000 | 專門 |
| 日本語 | jpn-000 | 研究課題 |
| Nihongo | jpn-001 | senmon |
| にほんご | jpn-002 | けんきゅうかだい |
| にほんご | jpn-002 | せんもん |
| 한국어 | kor-000 | 학과 |
| русский | rus-000 | специальность |
| ภาษาไทย | tha-000 | วิชา |
| tiếng Việt | vie-000 | giáo khoa |
| ייִדיש | ydd-000 | לימוד |
| yidish | ydd-001 | limed |