Sevilla vs Seville

Sevilla and Seville both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sevilla	Yes	No	No	No
Seville	Yes	No	No	No

As nouns, Sevilla and Seville are synonyms defined as:

Sevilla and Seville: a city in southwestern Spain; a major port and cultural center; the capital of bullfighting in Spain

Sevilla (noun)	Seville (noun)
a city in southwestern Spain; a major port and cultural center; the capital of bullfighting in Spain	a city in southwestern Spain; a major port and cultural center; the capital of bullfighting in Spain