appurtenance (n.)

• accession
• accessory
• accident
• accidental
• accommodation
• accompaniment
• addendum
• addition
• additive
• adjunct
• adjuvant
• advantage
• amenity
• annex
• annexation
• appanage
• appendage
• appendix
• appliance
• appointment
• aspect
• attachment
• augmentation
• authority
• auxiliary
• birthright
• circumstance
• claim
• coda
• collateral
• complement
• component
• concomitant
• constituent
• contents
• contingency
• contingent
• continuation
• convenience
• corollary
• demand
• detail
• due
• element
• equipment
• extension
• extra
• extrapolation
• facility
• factor
• faculty
• feature
• fixings
• fixture
• furnishings
• furniture
• happenstance
• incidental
• increase
• increment
• inessential
• ingredient
• interest
• item
• nonessential
• offshoot
• other
• part
• pendant
• power
• prerogative
• prescription
• pretense
• pretension
• reinforcement
• right
• secondary
• specialty
• subsidiary
• supplement
• tailpiece
• title