Natal vs city

Natal and city both are nouns.

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

Natal (noun)	city (noun)
a region of eastern South Africa on the Indian Ocean	people living in a large densely populated municipality
a port city in northeastern Brazil	a large and densely populated urban area; may include several independent administrative districts
	an incorporated administrative district established by state charter