milk-and-water vs tiresome

milk-and-water

adj

  • Insipid, wishy-washy, weak. 

noun

  • Something insipid or mawkish. 

tiresome

adj

  • Causing fatigue or boredom; wearisome. 

How often have the words milk-and-water and tiresome occurred in a corpus of books? (source: Google Ngram Viewer )