intrusive vs probing

intrusive

adj
  • Tending to intrude; doing that which is not welcome; interrupting or disturbing; entering without permission or welcome. 

  • epenthetic 

  • Of rocks: forced, while in a plastic or molten state, into the cavities or between the cracks or layers of other rocks. 

noun
  • An igneous rock that is forced, while molten, into cracks or between other layers of rock 

probing

adj
  • That investigates or explores deeply; that attempts to elicit information that is concealed. 

noun
  • The action of investigating or exploring. 

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