flaring vs obtrusive

flaring

noun
  • The deliberate open-air burning of natural gas that is generated as a by-product of various petrochemical processes, especially oil extraction; gas flaring. 

  • The act of something that flares. 

obtrusive

adj
  • Sticking out; protruding. 

  • Noticeable; prominent, especially in a displeasing way. 

  • Pushy. 

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