horn vs whistler

horn

noun
  • An instrument resembling a musical horn and used to signal others. 

  • An object whose shape resembles a horn, such as cornucopia, the point of an anvil, or a vessel for gunpowder or liquid. 

  • An antler. 

  • The outer end of a crosstree; also, one of the projections forming the jaws of a gaff, boom, etc. 

  • A curved projection on the fore part of a plane. 

  • The high pommel of a saddle; also, either of the projections on a lady's saddle for supporting the leg. 

  • A sound signaling the expiration of time. 

  • A conical device used to direct waves. 

  • An erection of the penis. 

  • A hard growth of keratin that protrudes from the top of the head of certain animals, usually paired. 

  • Any similar real or imaginary growth or projection such as the elongated tusk of a narwhal, the eyestalk of a snail, the pointed growth on the nose of a rhinoceros, or the hornlike projection on the head of a demon or similar. 

  • A diacritical mark that may be attached to the top right corner of the letters o and u when writing in Vietnamese, thus forming ơ and ư. 

  • In naval mine warfare, a projection from the mine shell of some contact mines which, when broken or bent by contact, causes the mine to fire. 

  • A telephone. 

  • One of the projections at the four corners of the Jewish altar of burnt offering. 

  • Generally, any brass wind instrument. 

  • An incurved, tapering and pointed appendage found in the flowers of the milkweed (Asclepias). 

  • The hard substance from which animals' horns are made, sometimes used by man as a material for making various objects. 

  • A loud alarm, especially one on a motor vehicle. 

  • Any of several musical wind instruments. 

  • The Ionic volute. 

  • A peninsula or crescent-shaped tract of land. 

verb
  • To assault with the horns. 

  • To furnish with horns. 

whistler

noun
  • Someone or something that whistles, or who plays a whistle as a musical instrument. 

  • The mountain beaver (Aplodontia rufa). 

  • The goldeneye (certain ducks of genus Bucephala). 

  • The whistling marmot (Marmota caligata). 

  • An audio-frequency electromagnetic wave produced by atmospheric disturbances such as lightning. 

  • A broken-winded horse. 

  • Any of several passerine birds of the genera Pachycephala and Coracornis, of Australasia and the western Pacific. 

  • Any bird that whistles or is noted for its whistling vocalisations (applied regionally to various specific species). 

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