grouch vs uncontent

grouch

noun

  • A complaint, a grumble, a fit of ill-humor. 

  • One who is grumpy or irritable. 

verb

  • To be grumpy or irritable; to complain. 

uncontent

noun

  • A lack of contentment. 

adj

  • Not content; uncontented. 

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