obliquitous vs periphrastic

obliquitous

adj
  • Characterized by obliquity. 

periphrastic

adj
  • Indirect in naming an entity; circumlocutory. 

  • Characterized by periphrasis. 

  • Expressed in more words than are necessary. 

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