balloon vs dolphin

balloon

noun
  • Such an object as a child’s toy or party decoration. 

  • Such an object designed to transport people or equipment through the air. 

  • An inflatable buoyant object, often (but not necessarily) round and flexible. 

  • A bomb or shell. 

  • The outline enclosing words represented as coming from the mouth of a pictured figure. 

  • A round vessel, usually with a short neck, to hold or receive whatever is distilled; a glass vessel of a spherical form. 

  • A type of glass cup, sometimes used for brandy. 

  • A woman's breast. 

  • A small container for illicit drugs made from a condom or the finger of a latex glove, etc. 

  • A speech bubble. 

  • Synonym of balloon payment 

  • A sac inserted into part of the body for therapeutic reasons; such as angioplasty. 

  • A ball or globe on the top of a pillar, church, etc. 

verb
  • Of an aircraft: to plunge alternately up and down. 

  • To go up or voyage in a balloon. 

  • To inflate like a balloon. 

  • To strike (a ball) so that it flies high in the air. 

  • To take up in, or as if in, a balloon. 

  • To increase or expand rapidly. 

dolphin

noun
  • A kind of wreath or strap of plaited cordage. 

  • A permanent fender designed to protect a heavy boat or coastal structure from the impact of large floating objects such as ice or floating logs. 

  • The dauphin, eldest son of the kings of France. 

  • A man-made semi submerged maritime structure, usually installed to provide a fixed structure for temporary mooring, to prevent ships from drifting to shallow water or to serve as base for navigational aids. 

  • Tursiops truncatus, (Atlantic bottlenose dolphin) the most well-known species. 

  • A carnivorous aquatic mammal in one of several families of order Cetacea, famed for its intelligence and occasional willingness to approach humans. 

  • A spar or buoy held by an anchor and furnished with a ring to which ships may fasten their cables. 

  • A mooring post on a wharf or beach. 

  • A mass of iron or lead hung from the yardarm, in readiness to be dropped through the deck and the hull of an enemy's vessel to sink it. 

  • A depiction of a fish, with a broad indented fin, usually embowed. 

  • A fish, the mahi-mahi or dorado, Coryphaena hippurus, with a dorsal fin that runs the length of the body, also known for iridescent coloration. 

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