superordinate vs topmost

superordinate

adj
  • Greater in degree, rank or position. 

  • 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 

verb
  • To cause to be superordinate. 

noun
  • That which is superordinate. 

  • A hypernym. 

topmost

adj
  • At or nearest to the top; uppermost; being the very highest. 

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