cranny vs geode

cranny

noun
  • A small, narrow opening, fissure, crevice, or chink, as in a wall, or other substance. 

  • A tool for forming the necks of bottles, etc. 

verb
  • To break into, or become full of, crannies. 

  • To haunt or enter by crannies. 

geode

noun
  • A nodule of stone having a cavity lined with mineral or crystal matter on the inside wall. 

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