latent vs signified

latent

noun
  • Anything that is latent. 

  • The residue left by a person's finger that can be made visible by a process such as powder dusting; a latent fingerprint. 

  • An underlying cause that can be inferred from statistical correlations; factor. 

adj
  • Remaining in an inactive or hidden phase; dormant. 

  • Lying dormant or hidden until circumstances are suitable for development or manifestation. 

  • Existing or present but concealed or inactive. 

signified

noun
  • The concept or idea evoked by a sign. 

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