forester vs lumberman

forester

noun
  • A person who practices forestry. 

  • A moth in the family Zygaenidae. 

  • Any of various nymphalid butterflies of the genus Lethe. Other members of this genus are called tree browns and wood browns. 

lumberman

noun
  • A man involved in the production or sale of lumber; a lumberjack or logger. 

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