construct vs nullify

construct

verb
  • To draw (a geometric figure) by following precise specifications and using geometric tools and techniques. 

  • To build or form (something) by assembling parts. 

  • To build (a sentence, an argument, etc.) by arranging words or ideas. 

noun
  • A concept or model. 

  • Something constructed from parts. 

  • A segment of nucleic acid, created artificially, for transplantation into a target cell or tissue. 

nullify

verb
  • To prevent from happening. 

  • To make of no use or value; to cancel out. 

  • To make legally invalid. 

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