lineage vs sibling

lineage

noun
  • Descent in a line from a common progenitor; progeny; descending line of offspring or ascending line of parentage. 

  • A number of lines of text in a column. 

  • A fee or rate paid per line of text. 

sibling

noun
  • A person who shares a parent; one's brother or sister who one shares a parent with. 

  • A node in a data structure that shares its parent with another node. 

  • The most closely related species, or one of several most closely related species when none can be determined to be more closely related. 

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