longitudinal vs syntactic

longitudinal

adj
  • Relating to length, or to longitude. 

  • Running in the direction of the long axis of a body. 

  • Forward and/or backward, relative to some defined direction. 

  • Sampling data over time rather than merely once. 

noun
  • Any longitudinal piece, as in shipbuilding etc. 

  • A railway sleeper lying parallel with the rail. 

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 longitudinal and syntactic occurred in a corpus of books? (source: Google Ngram Viewer )