-dom

(a suffix that forms abstract and collective nouns added to adjectives to show state or condition; added to nouns to show a position, rank, or realm of; all of those who are part of a group or organization)

blogdom
The world of blogs and blogging which are types of journals or daily records.
boredom
An emotional or mental condition that is experienced when someone is without any work or is not interested in what is going on around him or her.
chiefdom
The head, or leader, of a group of people or an organization.
Christendom
All of those who are Christian.
earldom
A rank or realm of an earl.
freedom
A state or condition of being free.
kingdom
The realm of a king.
nerdom
The attitudes and behaviors of a nerd or nerds; anyone who is considered to be intellectual, skilled in one or more fields, and generally not as socially outgoing as other people.
newspaperdom
The realm or community of newspapers or newspaper life.
stardom
The status of a performer or entertainer who is recognized as a star or performers considered as a group of stars: "Stardom is the situation in which a person is very famous, usually as an actor, musician, or sports player."
wisdom
A condition of being wise or smart.