dippy vs monotone

dippy

adj
  • Lacking common sense. 

  • Having romantic feelings for; excited or enthusiastic about. 

  • Involving or suited to dipping. 

  • Of an egg: cooked so that the yolk remains runny and can be used for dipping. 

monotone

adj
  • Being, or having the salient properties of, a monotone function. 

  • Having a single unvaried pitch. 

noun
  • A piece of writing in one strain throughout. 

  • A single unvaried tone of speech or a sound. 

verb
  • To speak in a monotone. 

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