through and through vs unapologetic

through and through

noun
  • A bullet wound in which the bullet passes through the body. 

adv
  • Completely; entirely; fundamentally. 

unapologetic

adj
  • Not apologetic for having said or done something that causes actual or potential harm, especially when being apologetic would be appropriate. 

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