- academician
- academy
- badge
- blackball
- book club
- branch
- bureau
- chairperson
- chamber of commerce
- coopt
- corporate
- council
- cub
- Cub Scout
- department
- dropout
- echelon
- emergency services
- executive
- ex-officio
- federation
- fire brigade
- fire department
- formation
- foundation
- frat
- fraternity
- Freemason
- Freemasonry
- friendly society
- fund
- general headquarters
- Girl Scout
- guild
- health care
- health service
- hierarchy
- housing association
- induct
- induction
- infighting
- initiate
- initiate
- initiation
- inside
- insider
- institute
- kibbutz
- KKK
- land office
- marriage bureau
- Masonic
- newsletter
- NSPCC
- order
- organization
- paternalism
- patriarchal
- penetrate
- powerhouse
- president
- pressure group
- quorum
- realign
- recognize
- recruit
- recruit
- registry
- reshuffle
- residents' association
- reunion
- secede
- secretary
- service club
- Soc.
- society
- subscriber
- subscription
- task force
- think tank
- treasurer
- trustee
- UNICEF
- unorganized
- vertical
