life scientist vs naturalist

life scientist

naturalist

noun
  • A person who believes in or advocates the tenets of philosophical or methodological naturalism. 

  • A creative artist who attempts to faithfully represent nature; an adherent of artistic naturalism. 

  • An expert in natural history or the study of plants and animals. 

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