inalienable vs tied up

inalienable

adj
  • Incapable of being alienated, surrendered, or transferred to another; not alienable. 

  • Of or pertaining to a noun belonging to a special class in which the possessive construction differs from the norm, especially for particular familial relationships and body parts. 

tied up

adj
  • occupied; busy 

How often have the words inalienable and tied up occurred in a corpus of books? (source: Google Ngram Viewer )