farmhouse vs smallholding

farmhouse

noun
  • A farmer's residence. 

  • A house that was once a farmer's residence albeit today lived in by residents whose occupation is not farming. 

smallholding

noun
  • A small farm. 

  • A small plantation or land with a small number of slaves (generally 19 or less). Contrasted with middling plantation (20-49 slaves) and large plantation (50+ and owned by planters). 

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