anchorage vs arrival

anchorage and arrival both are nouns.

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

As nouns, arrival is a hypernym of anchorage; that is, arrival is a word with a broader meaning than anchorage:

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