point of entry vs port of entry

point of entry and port of entry both are nouns.

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

As nouns, point of entry and port of entry are synonyms defined as:

point of entry and port of entry: a port in the United States where customs officials are stationed to oversee the entry and exit of people and merchandise

point of entry (noun)	port of entry (noun)
a port in the United States where customs officials are stationed to oversee the entry and exit of people and merchandise	a port in the United States where customs officials are stationed to oversee the entry and exit of people and merchandise