construction vs early days

construction

noun
  • The process of constructing. 

  • The meaning or interpretation of a text, action etc.; the way something is viewed by an observer or onlooker. 

  • The trade of building structures. 

  • Anything that has been constructed. 

  • A geometric figure of arcs and line segments that is drawable with a straightedge and compass. 

  • A group of words arranged to form a meaningful phrase. 

  • A (usually non-representational) structure, such as a collage etc. 

  • A building, model or some other structure. 

  • The manner in which something is built. 

  • The act or result of construing the meaning of something. 

early days

noun
  • Initial stages of a project. 

  • A time too soon to make a decision or come to a conclusion. 

  • The initial period of an innovation 

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