dendritic vs dendroidal

dendritic

adj
  • Having a branching structure similar to a tree. 

  • Of, pertaining to or possessing dendrites. 

noun
  • A dendritic cell 

dendroidal

adj
  • dendroid; resembling a shrub or tree 

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