Here are some examples:
* Freiheit: Freedom (from "frei" meaning "free")
* Schnelligkeit: Speed (from "schnell" meaning "fast")
* Dunkelheit: Darkness (from "dunkel" meaning "dark")
* Schönheit: Beauty (from "schön" meaning "beautiful")
Essentially, "heit" functions like the English suffixes "-ness," "-ity," or "-hood" but with a broader range of applications.
When translating "heit" words into English, you need to consider the context and find the most suitable equivalent.