| Subject | English | Persian (Farsi) |
| math. | asymptotic efficiency | کارآيي مجانبي |
| math. | asymptotic relative efficiency | کارآيي نسبي مجانبي |
| math. | Bahadur efficiency | کارآيي بهادري |
| math. | Pitman efficiency | کارآيي پيتمن |
| stat. | power efficiency | کارآيي نسبي (of a test) |
| math. | power efficiency | کارآيي نسبي |
| math. | relative efficiency of a test | کارآيي نسبي |
| math. | relative efficiency of a sample design | کارآیی نسبی |