observation vs thought

observation

noun
  • A judgement based on observing. 

  • The act of noting and recording some event; or the record of such noting. 

  • A remark or comment. 

  • A realization of a random variable. 

  • Performance of what is prescribed; adherence in practice; observance. 

  • A regime under which a subject is routinely observed. 

  • Philosophically as: the phenomenal presence of human being existence. 

  • The act of observing, and the fact of being observed (see observance) 

thought

noun
  • The careful consideration of multiple factors; deliberation. 

  • A very small amount, distance, etc.; a whit or jot. 

  • A way of thinking (associated with a group, nation or region). 

  • The operation by which mental activity arise or are manipulated; the process of thinking; the agency by which thinking is accomplished. 

  • Anxiety, distress. 

  • Representation created in the mind without the use of one's faculties of vision, sound, smell, touch, or taste; an instance of thinking. 

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