alveolate vs dimpled

alveolate

adj
  • Having a structure containing honeycomb-like cavities. 

noun
  • A member of a grouping of protists comprising the ciliates, sporozoa and dinoflagellates. 

dimpled

adj
  • Having dimples 

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