cryptozoic vs latent

cryptozoic

adj
  • Hidden (especially in the soil); not easily visible. 

  • Living in a cavity or small cave. 

  • Relating to a cryptozoite. 

latent

adj
  • Existing or present but concealed or inactive. 

  • Remaining in an inactive or hidden phase; dormant. 

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

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. 

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