berth vs mooring

berth and mooring both are nouns.

Word	Noun	Adjective	Verb	Adverb
berth	Yes	No	Yes	No
mooring	Yes	No	No	No

As nouns, berth and mooring are synonyms defined as:

Other synonyms of berth include moorage, slip.

berth (noun)	mooring (noun)
a job in an organization	(nautical) a line that holds an object (especially a boat) in place
a bed on a ship or train; usually in tiers	a place where a craft can be made fast
a place where a craft can be made fast

berth (verb)	mooring (verb)
secure in or as if in a berth or dock
come into or dock at a wharf
provide with a berth