genealogy vs lineage

genealogy

noun
  • The descent of a person, family, or group from an ancestor or ancestors; lineage or pedigree. 

  • The study, and formal recording of such descents. 

  • A record or table of such descent; a family tree. 

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. 

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