city vs Luik

city and Luik both are nouns.

Word	Noun	Adjective	Verb	Adverb
city	Yes	No	No	No
Luik	Yes	No	No	No

city (noun)	Luik (noun)
people living in a large densely populated municipality	city in eastern Belgium; largest French-speaking city in Belgium
a large and densely populated urban area; may include several independent administrative districts
an incorporated administrative district established by state charter