delicacy vs perception

delicacy

noun
  • Refinement in taste or discrimination. 

  • Something appealing, usually a pleasing food, especially a choice dish of a certain culture suggesting rarity and refinement. 

  • The quality of being delicate. 

  • Fineness or elegance of construction or appearance. 

  • Tact and propriety; the need for such tact. 

  • Frailty of health or fitness. 

perception

noun
  • The organisation, identification and interpretation of sensory information. 

  • That which is detected by the five senses; not necessarily understood (imagine looking through fog, trying to understand if you see a small dog or a cat); also that which is detected within consciousness as a thought, intuition, deduction, etc. 

  • Vision (ability) 

  • Conscious understanding of something. 

  • Acuity 

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