infestation vs moth

infestation

noun
  • The presence of a large number of pest organisms in an area or field, on the surface of a host or anything that might contact a host, or in the soil. 

moth

noun
  • The plant Vigna aconitifolia, moth bean. 

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

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

verb
  • To hunt for moths. 

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