bilingual vs multilinguistic

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. 

multilinguistic

adj
  • of or pertaining to multiple languages 

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