tango vs waltz

tango

noun
  • A piece of music suited to such a dance. 

  • Target. 

  • A standard ballroom dance in 4/4 time; or a social dance, the Argentine tango. 

  • A Spanish flamenco dance with different steps from the Argentine. 

  • A dark orange colour shade; deep tangerine 

verb
  • To mingle or interact (with each other). 

  • To dance the tango. 

waltz

noun
  • A piece of music for this dance (or in triple time). 

  • A ballroom dance in 3/4 time. 

  • A simple task. 

verb
  • To dance the waltz (with). 

  • To move briskly and unhesitatingly, especially in an inappropriately casual manner, or when unannounced or uninvited. 

  • To move with fanfare. 

  • To accomplish a task with little effort. 

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