- 芮城 Ruìchéng Ruicheng CountyRuicheng county in Yuncheng, Shanxi
- 芮城县 Ruìchéngxiàn Ruicheng CountyRuicheng county in Yuncheng, Shanxi
- 芮氏 Ruìshì Richter scalethe Richter scale for measuring earthquake magnitude (Taiwan usage)
- 芮氏规模 Ruìshìguīmó Richter scale(seismology) Richter scale
Sources
- Frequency data
- MTSU Chinese text computingSUBTLEX-CH