lament vs yowl

lament

noun
  • An expression of grief, suffering, sadness or regret. 

  • A song expressing grief. 

verb
  • To express grief; to weep or wail; to mourn. 

  • To feel great sorrow or regret; to bewail. 

yowl

noun
  • A prolonged, loud cry, like the sound of an animal; a wail; a howl. 

verb
  • Utter a yowl. 

  • Express by yowling; utter with a yowl. 

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