girlhood vs senility

girlhood

noun
  • The childhood of a girl. 

  • The state of being a girl. 

senility

noun
  • The losing of memory and reason due to senescence. 

  • Senescence; the bodily and mental deterioration associated with old age. 

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