grower vs harvestman

grower

noun
  • A farmer; one who grows things. 

  • Someone or something, especially music, that becomes more likeable over time. 

  • A man whose penis increases in size significantly when erect. 

  • Something that grows. 

harvestman

noun
  • A field-worker who works to gather in the harvest. 

  • An order of terrestrial, non-venomous arachnids with often very long legs: Opiliones. 

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