Mongol
Part of speech: proper noun
Definition: A person from Mongolia; a Mongolian. A member of any of the various Mongol ethnic groups living in The Mongolian People's Republic, the (former) USSR, Tibet and Nepal. (usually mongol) A person with Down's syndrome. A member of the nomadic people from the steppes of central Asia who invaded Europe in the 13th Century. The mongol Empire stretched from the Eastern seas of China to the gates of Vienna.
Mongolian
Part of speech: adjective
Definition: Of or relating to Mongolia or its peoples, languages, or cultures = Mongol.Anthropology. Resembling or having some of the characteristic physical features of the Mongoloid racial type = Mongoloid.Designating or affected with Down syndrome = Mongol.
Part of speech: noun
Definition: A native or inhabitant of Mongolia = Mongol.A group of Altaic languages from Mongolia, specifically Khalkha, the official language of Mongolia.A person of Mongoloid physical type; a Mongoloid.