battling vs in contention

battling

noun
  • A growing fat, or the process of causing to grow fat; a fattening. 

  • That which nourishes or fattens, as food, or feed for animals, or manure for soil. 

adj
  • Fertile. 

  • Nourishing; fattening. 

in contention

prep
  • Used other than figuratively or idiomatically: see in, contention. 

  • Contending for a title or championship. 

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