Aquila vs L'Aquila

Aquila and L'Aquila both are nouns.

Word	Noun	Adjective	Verb	Adverb
Aquila	Yes	No	No	No
L'Aquila	Yes	No	No	No

As nouns, Aquila and L'Aquila are synonyms defined as:

Aquila and L'Aquila: the provincial capital of the Abruzzi region in central Italy

Other synonyms of Aquila include Aquila degli Abruzzi.

Aquila (noun)	L'Aquila (noun)
a genus of Accipitridae, containing the true eagles (Aquila)	the provincial capital of the Abruzzi region in central Italy
the provincial capital of the Abruzzi region in central Italy
a constellation in the Milky Way near Cygnus; contains the star Altair