respire vs suck

respire

verb
  • To recover one's breath or breathe easily following stress. 

  • To take up oxygen and produce carbon dioxide through oxidation. 

  • To breathe in and out successively. 

  • To (inhale and) exhale; to breathe. 

suck

verb
  • To work the lips and tongue on (an object) to extract moisture or nourishment; to absorb (something) in the mouth. 

  • To be inferior or objectionable: a general term of disparagement, sometimes used with at to indicate a particular area of deficiency. 

  • To perform fellatio. 

  • To pull (something) in a given direction, especially without direct contact. 

  • To perform such an action; to feed from a breast or teat. 

  • To use the mouth and lips to pull in (a liquid, especially milk from the breast). 

  • To put the mouth or lips to (a breast, a mother etc.) to draw in milk. 

  • To extract, draw in (a substance) from or out of something. 

noun
  • An act of fellatio. 

  • Milk drawn from the breast. 

  • A weak, self-pitying person; a person who refuses to go along with others, especially out of spite; a crybaby or sore loser. 

  • Badness or mediocrity. 

  • An instance of drawing something into one's mouth by inhaling. 

  • An indrawing of gas or liquid caused by suction. 

  • A part of a river towards which strong currents converge making navigation difficult. 

  • A sycophant, especially a child. 

  • The ability to suck; suction. 

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