Muff vs Slave

Muff

name
  • A diminutive of the female given name Myfanwy 

  • A surname. 

  • A village in County Donegal, Ireland 

  • An unincorporated community in Armstrong County, Pennsylvania, United States 

Slave

name
  • Synonym of Sclavia 

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