doldrums vs quiescence

doldrums

noun
  • Usually preceded by the: a state of apathy or lack of interest; a situation where one feels boredom, ennui, or tedium; a state of listlessness or malaise. 

  • Usually preceded by the: a part of the ocean near the equator where calms, squalls, and light, baffling winds are common. 

  • Usually preceded by the: the state of a sailing ship when it is impeded by calms or light, baffling winds, and is unable to make progress. 

quiescence

noun
  • The state of being quiescent; dormancy. 

  • The action of bringing something to rest or making it quiescent; the action of coming to rest or to a quiescent state. 

  • Being at rest, quiet, still, inactive or motionless. 

  • In insects, a temporary slowing down of metabolism and development in response to adverse environmental conditions, which, unlike diapause, does not involve physiological changes. 

  • The period when a cell is in a term of no growth and no division. 

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