morphological vs syntactic

morphological

adj
  • Of, or pertaining to, morphology. 

syntactic

adj
  • Of, related to or connected with syntax. 

  • Containing morphemes that are combined in the same order as they would be if they were separate words e.g. greenfinch 

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