filibuster vs loiter

filibuster

verb
  • To take part in a private military action in a foreign country. 

  • To use obstructionist tactics in a legislative body. 

noun
  • A mercenary soldier; a freebooter; specifically, a mercenary who travelled illegally in an organized group from the United States to a country in Central America or the Spanish West Indies in the mid-19th century seeking economic and political benefits through armed force. 

  • A tactic (such as giving long, often irrelevant speeches) employed to delay the proceedings of, or the making of a decision by, a legislative body, particularly the United States Senate. 

  • A member of a legislative body causing such an obstruction; a filibusterer. 

loiter

verb
  • For an aircraft to remain in the air near a target. 

  • To remain at a certain place instead of moving on. 

  • To stand about without any aim or purpose; to stand about idly. 

noun
  • A standing or strolling about without any aim or purpose. 

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