dock vs wharf

dock and wharf both are nouns.

Word	Noun	Adjective	Verb	Adverb
dock	Yes	No	Yes	No
wharf	Yes	No	Yes	No

As nouns, dock and wharf are synonyms defined as:

dock and wharf: a platform built out from the shore into the water and supported by piles; provides access to ships and boats

Other synonyms of dock include pier, wharfage.

As verbs, wharf is a hyponym of dock; that is, wharf is a word with a more specific, narrower meaning than dock:

Other hyponyms of dock include berth, moor.

dock (noun)	wharf (noun)
the solid bony part of the tail of an animal as distinguished from the hair	a platform built out from the shore into the water and supported by piles; provides access to ships and boats
a short or shortened tail of certain animals
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 platform built out from the shore into the water and supported by piles; provides access to ships and boats
an enclosure in a court of law where the defendant sits during the trial
a platform where trucks or trains can be loaded or unloaded
any of certain coarse weedy plants with long taproots, sometimes used as table greens or in folk medicine

dock (verb)	wharf (verb)
maneuver into a dock	moor at a wharf
remove or shorten the tail of an animal	discharge at a wharf
come into dock	come into or dock at a wharf
deduct from someone's wages	store on a wharf
deprive someone of benefits, as a penalty	provide with a wharf