inbred vs part and parcel

inbred

adj
  • Bred within; innate. 

  • Having an ancestry characterized by inbreeding. 

  • Describing a strain produced through successive generations of inbreeding resulting in a population of genetically identical individuals which are homozygous at all genetic loci. 

noun
  • An inbred individual. 

part and parcel

noun
  • An integral or essential piece; that which must be done or accepted as part of something else. 

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