crenate vs dentate

crenate

adj
  • Having round or blunt teeth on its margin; scalloped. 

noun
  • Any salt or ester of crenic acid 

dentate

adj
  • Having teeth or toothlike projections; serrated, toothed. 

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