alter vs conform

alter

verb
  • To change the form or structure of. 

  • To castrate, neuter or spay (a dog or other animal). 

  • To tailor clothes to make them fit. 

  • To become different. 

  • To affect mentally, as by psychotropic drugs or illness. 

noun
  • An identity or headmate of a person with dissociative identity disorder (previously known as multiple personality disorder). A member of a system. 

conform

verb
  • To make similar in form or nature; to make suitable for a purpose; to adapt. 

  • To act in accordance with expectations; to behave in the manner of others, especially as a result of social pressure. 

  • To be in accordance with a set of specifications or regulations, or with a policy or guideline. 

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