irregular vs scrag

irregular

noun
  • One who does not regularly attend a venue. 

  • A soldier who is not a member of an official military force and who may not use regular army tactics. 

adj
  • without symmetry, regularity, or uniformity 

  • rough 

  • not regular; having sides that are not equal or angles that are not equal 

  • whose faces are not all regular polygons (or are not equally inclined to each other) 

  • nonstandard; not conforming to rules or expectations 

  • not following the regular or expected patterns of inflection in a given language 

scrag

noun
  • A chav or ned; a stereotypically loud and aggressive person of lower social class. 

  • A rough or unkempt woman. 

  • A ragged, stunted tree or branch. 

  • A scrog. 

verb
  • To harass; to manhandle. 

  • To destroy or kill. 

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