plural vs rare

plural

noun
  • The plural number. In English, referring to more or less than one of something. 

  • A person with some form of multiplicity, particularly dissociative identity disorder. 

  • A word in the form in which it potentially refers to something other than one person or thing; and other than two things if the language has a dual form. 

adj
  • Pluralistic. 

  • Consisting of or containing more than one of something. 

  • In systems of number, not singular or not singular or dual. 

rare

noun
  • A scarce or uncommon item. 

verb
  • To rear, bring up, raise. 

  • To rear, rise up, start backwards. 

adj
  • Thin; of low density. 

  • Very uncommon; scarce. 

  • Particularly of meat, especially beefsteak: cooked very lightly, so the meat is still red. 

  • Good; enjoyable. 

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