It partly depends on what you define as a ‘word’. Different writing systems do this indifferent ways.
Chinese, for example, is a single language in terms of its written form.
Spoken Chinese, however, it is a family of languages or dialects.
Read on (with comprehension questions)
From The English Language Teaching Pack
Fun Facts & FAQ
English Language Level: Intermediate+ CEFR: B1/B2/C1
Exams: First Certificate, IELTS, Cambridge Advanced