continuative vs round-the-clock

continuative

adj

  • Of or pertaining to continuation. 

  • durative. 

noun

  • a durative. 

  • Something that causes a continuation. 

round-the-clock

adj

  • continuous; incessant; without interruption; all day long, 24 hours per day; nonstop: from the concept that it happens while the hands of the clock go all the way around. 

How often have the words continuative and round-the-clock occurred in a corpus of books? (source: Google Ngram Viewer )