hypernym vs superordinate

hypernym

noun
  • A superordinate word or phrase; a term whose referents form a set which includes as a subset the referents of a subordinate term—as, for example, insect being (a hypernym) for ant. 

superordinate

noun
  • That which is superordinate. 

  • A hypernym. 

adj
  • The relation of a universal proposition to a specific proposition of the same form with the universal quantified variable replaced by a specific instance. 

  • hypernymic 

  • Greater in degree, rank or position. 

verb
  • To cause to be superordinate. 

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