harbour vs dockage

harbour and dockage both are nouns.

Word	Noun	Adjective	Verb	Adverb
harbour	Yes	No	Yes	No
dockage	Yes	No	No	No

harbour (noun)	dockage (noun)
a place of refuge and comfort and security	the act of securing an arriving vessel with ropes
a sheltered port where ships can take on or discharge cargo	landing in a harbor next to a pier where ships are loaded and unloaded or repaired; may have gates to let water in or out
	a fee charged for a vessel to use a dock

harbour (verb)	dockage (verb)
maintain (a theory, thoughts, or feelings)
hold back a thought or feeling about
keep in one's possession; of animals
secretly shelter (as of fugitives or criminals)