Belmont vs Belmont Park

Belmont and Belmont Park both are nouns.

Word	Noun	Adjective	Verb	Adverb
Belmont	Yes	No	No	No
Belmont Park	Yes	No	No	No

As nouns, Belmont and Belmont Park are synonyms defined as:

Belmont and Belmont Park: a racetrack for thoroughbred racing in Elmont on Long Island; site of the Belmont Stakes

Belmont (noun)	Belmont Park (noun)
a racetrack for thoroughbred racing in Elmont on Long Island; site of the Belmont Stakes	a racetrack for thoroughbred racing in Elmont on Long Island; site of the Belmont Stakes