a lifetime vs age

a lifetime

age

verb
  • To cause to grow old; to impart the characteristics of age to. 

  • To postpone an action that would extinguish something, as a debt. 

  • To categorize by age. 

  • To indicate that a person has been alive for a certain period of time, especially a long one. 

  • To be viewed or turn out in some way after a certain time has passed. 

  • To grow aged; to become old; to show marks of age. 

noun
  • That part of the duration of a being or a thing which is between its beginning and any given time; specifically the size of that part. 

  • The number of full years, months, days, hours, etc., that someone, or something, has been alive. 

  • Mature age; especially, the time of life at which one attains full personal rights and capacities. 

  • The people who live during a particular period. 

  • A long time. 

  • The shortest geochronologic unit, being a period of thousands to millions of years; a subdivision of an epoch (or sometimes a subepoch). 

  • One of the twelve divisions of a Great Year, equal to roughly 2000 years and goverened by one of the zodiacal signs; a Platonic month. 

  • The time of life at which some particular power or capacity is understood to become vested. 

  • A generation. 

  • A period of one hundred years; a century. 

  • The right of the player to the left of the dealer to pass the first round in betting, and then to come in last or stay out; also, the player holding this position; the eldest hand. 

  • An advanced period of life; the latter part of life; the state of being old, old age, senility; seniority. 

  • One of the stages of life. 

  • The whole duration of a being, whether human, animal, plant, or other kind, being alive. 

  • A particular period of time in history, as distinguished from others. 

  • A great period in the history of the Earth. 

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