Lushun vs Lushunkou District

Lushun and Lushunkou District both are nouns.

Word	Noun	Adjective	Verb	Adverb
Lushun	Yes	No	No	No
Lushunkou District	Yes	No	No	No

As nouns, Lushun and Lushunkou District are synonyms defined as:

Lushun and Lushunkou District: a major port city in northeastern China on the Liaodong Peninsula; now a part of Luda

Other synonyms of Lushun include Port Arthur.

Lushun (noun)	Lushunkou District (noun)
a major port city in northeastern China on the Liaodong Peninsula; now a part of Luda	a major port city in northeastern China on the Liaodong Peninsula; now a part of Luda