Erie vs port of entry

Erie and port of entry both are nouns.

Word	Noun	Adjective	Verb	Adverb
Erie	Yes	No	No	No
port of entry	Yes	No	No	No

Erie (noun)	port of entry (noun)
a port city on Lake Erie in northwestern Pennsylvania	a port in the United States where customs officials are stationed to oversee the entry and exit of people and merchandise
the 4th largest of the Great Lakes; it is linked to the Hudson River by the New York State Barge Canal
a member of an Iroquoian people formerly living on the south shore of Lake Erie in northern Ohio and northwest Pennsylvania and western New York