inward vs masked

inward

adj
  • Moving or tending toward the inside. 

  • Not superficially obvious, inner, not expressed, especially relating to mental or spiritual faculties as opposed to external ones. 

  • Situated on the inside; that is within, inner; belonging to the inside. 

adv
  • Towards the inside. 

  • Towards one’s mind, thoughts, or internal self. 

masked

adj
  • Personate. 

  • Wearing a mask or masks. 

  • Concealed; hidden. 

  • Characterized by masks. 

  • Having the anterior part of the head differing decidedly in color from the rest of the plumage. 

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