ideological vs syllogistic

ideological

adj
  • Of or pertaining to an ideology. 

  • Based on an ideology or misleading studies or statistics, especially based on the media or propaganda. Not based on scientific evidence or reality. 

syllogistic

adj
  • Of or pertaining to a syllogism. 

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