posticous vs proximate

posticous

adj
  • posterior 

  • Situated on the outer side of a filament; said of an extrorse anther. 

proximate

adj
  • Close or closest; adjacent. 

  • Immediately preceding or following in a chain of causation. 

  • About to take place; impending. 

noun
  • A grammatical marker that distinguishes a relatively salient referent in a given context from a relatively non-salient (obviative) one. 

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