| Bahasa Indonesia | Bahasa Asing | Kata kunci | Bidang | Sumber | |
|---|---|---|---|---|---|
| 1. | formula kesukaran; rumus kesukaran | difficulty formula | formula; kesukaran; rumus | Pendidikan | Pusba |
| 2. | indeks kesukaran | difficulty index | indeks; kesukaran | Pendidikan | Pusba |
| 3. | indeks kesukaran; indeks kesulitan | index of difficulty | indeks; kesukaran; kesulitan | Pendidikan | Pusba |
| 4. | kesukaran butir (soal) | item difficulty | butir; kesukaran; soal | Pendidikan | Pusba |
| 5. | kesukaran memulai gaya jalan | difficulty initiating gait | gaya; jalan; kesukaran; memulai | Kedokteran | Pusba |
| 6. | kesukaran ujian | test difficulty | kesukaran; ujian | Pendidikan | Pusba |
| 7. | sindrom kesukaran respiratori | respiratory distress syndrome | kesukaran; respiratori; sindrom | Biologi | Pusba |
| 8. | sindrom kesukaran respiratori | respiratory distress sindrom | kesukaran; respiratori; sindrom | Kedokteran Hewan | Pusba |
| 9. | sindrom kesukaran respiratori | respiratory distress syndrome | kesukaran; respiratori; sindrom | Kedokteran Hewan | Pusba |
| 10. | taraf kesukaran | difficulty level | kesukaran; taraf | Pendidikan | Pusba |
| 11. | taraf kesukaran; tingkat kesulitan | level of difficulty | kesukaran; kesulitan; taraf; tingkat | Pendidikan | Pusba |
