awareness vs prehension

awareness

noun
  • The state or level of consciousness where sense data can be confirmed by an observer. 

  • The state or quality of being aware of something. 

prehension

noun
  • According to Alfred North Whitehead, a type of universally acting perception that is not limited to living, self-conscious beings, and which involves an interconnectedness of the observer and the observed. 

  • The act of grasping or gripping, especially with the hands. 

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