Alienability as a grammatical concept in some languages, such as Tlingit, Rama, or Paama, related to the concept of possession.
A noun is called inalienable noun, if it must always have a possessed relationship with another noun. The two nouns are said to be in the inalienable possession relationship.
An alienable noun may be either used alone or may be possessed by another noun, i.e., be in an alienable possession relationship.