in sight vs palpable

in sight

prep
  • Near or close in either distance or time. 

  • In a place where something can be seen. 

palpable

adj
  • That can be detected by palpation. 

  • Capable of being touched, felt or handled; touchable, tangible. 

  • Obvious or easily perceived; noticeable. 

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