Often these usages are simply identified as the noun form of the word.

Glider is the noun form of the verb to glide.

The noun form comes from the verb tzara (צָרַע) which means "to have a skin disease."

The noun form, commonly used only in the plural, is arcana.

Even in verb classes that do have a regular verbal noun form, there are exceptions.

Reception is a noun form of receiving, or to receive something, such as information, art, experience, or people.

Lawyers later used it as the noun form for the rendering, or giving out, of a verdict.

In these cases, the noun form of the corresponding verb does take okurigana.

But hegemonic or its noun form, hegemony, is used now in other contexts too.

The noun form does not occur in the Hebrew Bible.