erect vs lower

erect

verb
  • To lift up; to elevate; to exalt; to magnify. 

  • To animate; to encourage; to cheer. 

  • To spin up and align to vertical. 

  • To raise and place in an upright or perpendicular position; to set upright; to raise. 

  • To set up or establish; to found; to form; to institute. 

  • To put up by the fitting together of materials or parts. 

  • To enter a state of physiological erection. 

  • To cast or draw up (a figure of the heavens, horoscope etc.). 

  • To cause to stand up or out. 

  • To set up as an assertion or consequence from premises, etc. 

adj
  • Having an erect penis. 

  • Rigid, firm; standing out perpendicularly, especially as the result of stimulation. 

  • Upright; vertical or reaching broadly upwards. 

  • Watchful; alert. 

  • Elevated, as the tips of wings, heads of serpents, etc. 

lower

verb
  • To make less elevated 

  • To decrease in value, amount, etc. 

  • To reduce operations to single machine instructions, as part of compilation of a program. 

  • To reduce the degree, intensity, strength, etc., of 

  • To bring down; to humble 

  • (lower oneself) To humble oneself; to do something one considers to be beneath one's dignity. 

  • To let descend by its own weight, as something suspended; to let down 

  • To reduce the height of 

  • To depress as to direction 

  • to pull down 

  • To reduce (something) in value, amount, etc. 

  • To fall; to sink; to grow less; to diminish; to decrease 

adj
  • bottom; more towards the bottom than the middle of an object 

  • Situated on lower ground, nearer a coast, or more southerly. 

  • older 

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