regimen vs sanitation

regimen

noun
  • Orderly government; system of order; administration. 

  • Any regulation or remedy which is intended to produce beneficial effects by gradual operation. 

  • A syntactical relation between words, as when one depends on another and is regulated by it in respect to case or mood; government. 

  • object 

sanitation

noun
  • The hygienic disposal or recycling of waste. 

  • The policy and practice of protecting health through hygienic measures. 

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