monotone vs stuffy

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. 

stuffy

adj
  • Stout; mettlesome; resolute. 

  • Boring, uninteresting, over-formal, pompous, very conventional. 

  • Stout; sturdy. 

  • Angry and obstinate; sulky. 

  • Poorly ventilated; partially plugged. 

noun
  • Synonym of stuffed toy 

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