arrival vs entry

arrival and entry both are nouns.

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

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

arrival (noun)	entry (noun)
accomplishment of an objective	the act of entering
the act of arriving at a certain place	the act of beginning something new
someone who arrives (or has arrived)	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