bilingual vs multilingual

bilingual

adj
  • Characterized by the use or presence of two languages. 

  • Hypernym: multilingual 

  • Having the ability to speak two languages. 

  • Spoken or written in two different languages. 

noun
  • A person who is able to use two languages. 

multilingual

adj
  • Of, relating to, or involving multiple languages. 

  • able to communicate in a number of languages. 

noun
  • a polyglot 

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