derogate vs lower

derogate

verb
  • To act in a manner below oneself; to debase oneself. 

  • To remove a part, to detract from (a quality of excellence, authority etc.). 

  • To take away (something from something else) in a way which leaves it lessened. 

  • To detract from (something); to disparage, belittle. 

lower

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

  • 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 

  • 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 make less elevated 

  • 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 derogate and lower occurred in a corpus of books? (source: Google Ngram Viewer )