autumn vs latter part

autumn

noun
  • The time period when someone or something is past its prime. 

  • Traditionally the third of the four seasons, when deciduous trees lose their leaves; typically regarded as being from September 24 to December 22 in parts of the Northern Hemisphere, and the months of March, April and May in the Southern Hemisphere. 

  • A person with relatively dark hair and a warm skin tone, seen as best suited to certain colours in clothing. 

adj
  • Of or relating to autumn; autumnal 

verb
  • To spend the autumn (in a particular place). 

  • To undergo the changes associated with autumn, such as leaves changing color and falling from trees. 

latter part

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