- 三合一 sānhéyī 3-in-1combining three distinct components, functions, or items into a single unit or product
- 天人合一 tiānrénhéyī onenessThe philosophical concept of the oneness of heaven and humanity, or the theory that humans are an integral part of nature.
- 二合一 èrhéyī 2-in-1combining two functions or items into a single unit
- 政教合一 zhèngjiàohéyī theocracythe union of religious and political rule, where secular and spiritual authority are combined in a single governing system
- 文武合一 wénwǔhéyī civil-military unityintegration of civil and military affairs; civilians and the military working hand in hand