frustration vs moth

frustration

noun
  • A thing that frustrates. 

  • The feeling of annoyance at impassibility from resistance. 

  • The state of contract that allows a party to back away from its contractual obligations due to (unforeseen) radical changes to the nature of the thing a party has been obligated to. 

  • The act of frustrating, or the state, or an instance of being frustrated. 

  • Anger not directed at anything or anyone in particular. 

moth

noun
  • Anything that gradually and silently eats, consumes, or wastes any other thing. 

  • A usually nocturnal insect of the order Lepidoptera, distinguished from butterflies by feather-like antennae. 

  • The plant Vigna aconitifolia, moth bean. 

verb
  • To hunt for moths. 

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