| 肽单位 | tài dān wèi | peptide unit (on protein chain) | 
| 肽 | tài | peptide (two or more amino acids linked by peptide bonds CO-NH) | 
| 单 | Shàn | surname Shan | 
| 单 | chán | used in 单于 | 
| 单 | dān | bill / list / form / single / only / sole / odd number / CL:个 | 
| 单位 | dān wèi | unit (of measure) / unit (group of people as a whole) / work unit (place of employment, esp. in the PRC prior to economic reform) / CL:个 | 
| 位 | wèi | position / location / place / seat / classifier for people (honorific) / classifier for binary bits (e.g. 十六位 16-bit or 2 bytes) / (physics) potential |