entry vs gateway

entry and gateway both are nouns.

Word	Noun	Adjective	Verb	Adverb
entry	Yes	No	No	No
gateway	Yes	No	No	No

As nouns, gateway is a hyponym of entry; that is, gateway is a word with a more specific, narrower meaning than entry:

entry (noun)	gateway (noun)
the act of entering	an entrance that can be closed by a gate
the act of beginning something new
something that provides access (to get in or get out)
something (manuscripts or architectural plans and models or estimates or works of art of all genres etc.) submitted for the judgment of others (as in a competition)
an item inserted in a written record
a written record of a commercial transaction