portal vs entree

portal and entree both are nouns.

Word	Noun	Adjective	Verb	Adverb
portal	Yes	No	No	No
entree	Yes	No	No	No

As nouns, entree is a hypernym of portal; that is, entree is a word with a broader meaning than portal:

Other hypernyms of portal include entrance, entranceway, entry, entryway.

portal (noun)	entree (noun)
a grand and imposing entrance (often extended metaphorically)	an entrance, especially a theatrical entrance onto a stage or as if onto a stage
a short vein that carries blood into the liver	something that provides access (to get in or get out)
a site that the owner positions as an entrance to other sites on the internet	the right to enter
	the principal dish of a meal