concept vs construct

concept

noun
  • An abstract and general idea; an abstraction. 

  • A description of supported operations on a type, including their syntax and semantics. 

  • Understanding retained in the mind, from experience, reasoning and imagination; a generalization (generic, basic form), or abstraction (mental impression), of a particular set of instances or occurrences (specific, though different, recorded manifestations of the concept). 

verb
  • to conceive; to dream up 

construct

noun
  • A concept or model. 

  • Something constructed from parts. 

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

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. 

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