infix vs inscribe

infix

verb
  • To instill. 

  • To insert a morpheme inside an existing word. 

noun
  • A morpheme that always appears between other morphemes in a word, such as -i- and -o- in English (i.e. an interfix). 

  • A morpheme inserted inside an existing word, such as -bloody- in English. 

inscribe

verb
  • To write or cut (words) onto (something, especially a hard surface, or a book to be given to another person); to engrave. 

  • To draw a circle, sphere, etc. inside a polygon, polyhedron, etc. and tangent to all its sides. 

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