arrival vs anchorage

arrival and anchorage both are nouns.

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

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

arrival (noun)	anchorage (noun)
accomplishment of an objective	the act of anchoring
the act of arriving at a certain place	place for vessels to anchor
someone who arrives (or has arrived)	a fee for anchoring
	the condition of being secured to a base
	the provision of a sense of security or steadfastness