empty vs siphon

empty

noun
  • A container, especially a bottle, whose contents have been used up, leaving it empty. 

adj
  • Containing no elements (as of a string, array, or set), opposed to being null (having no valid value). 

  • Not pregnant; not producing offspring when expected to do so during the breeding season. 

  • Destitute of reality, or real existence; unsubstantial. 

  • Destitute of, or lacking, sense, knowledge, or courtesy. 

  • Unable to satisfy; hollow; vain. 

  • Destitute of effect, sincerity, or sense; said of language. 

  • Devoid of content; containing nothing or nobody; vacant. 

  • Having nothing to carry, emptyhanded; unburdened. 

verb
  • To make empty; to void; to remove the contents of. 

  • Of a river, duct, etc: to drain or flow toward an ultimate destination. 

siphon

noun
  • A soda siphon. 

  • A bent pipe or tube with one end lower than the other, in which hydrostatic pressure exerted due to the force of gravity moves liquid from one reservoir to another. 

  • A tubelike organ found in animals or elongated cell found in plants. 

verb
  • To transfer (liquid) by means of a siphon. 

  • To steal or skim off money in small amounts; to embezzle. 

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