plural vs several

plural

adj
  • Consisting of or containing more than one of something. 

  • Pluralistic. 

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

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

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

  • 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. 

several

adj
  • A number of different; various. 

  • Separable, capable of being treated separately. 

noun
  • Each particular taken singly; an item; a detail; an individual. 

det
  • Consisting of a number more than two but not very many. 

adv
  • By itself; severally. 

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