同病相怜症：只对与自已情况相同者产生兴趣与同情- radio-
- radioactinium
- radioaction
- radioactive
- radioactivity
- radioactor
- radioallergosorbent
- radioanaphylaxis
- radioautogram
- radioautograph
- radioautography
- radiobe
- radiobicipital
- radiobiological
- radiobiologist
- radiobiology
- radiocalcium
- radiocarbon
- radiocarcinogenesis
- radiocardiogram
- radiocardiography
- radiocarpal
- radiocarpus
- radiochemistry
- radiochemy