cowling vs moggy

cowling

noun
  • A young or little cow; calf. 

  • A removable protective covering for the engine of an aircraft, motorcycle, etc. 

moggy

noun
  • Synonym of calf. 

  • A kind of cake made with ginger, treacle, etc. 

  • Synonym of scarecrow. 

  • Synonym of slattern: an unkempt or badly-dressed woman. 

  • A domestic cat, especially (depreciative or derogatory) a non-pedigree or unremarkable cat. 

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