burgeoning vs in its infancy

burgeoning

adj

  • That buds, grows or expands; developing. 

noun

  • A new growth or expansion of something. 

  • A bud or branch. 

  • The act of budding or sprouting. 

in its infancy

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