dock vs drydock

dock and drydock both are nouns.

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

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

dock: 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
drydock: a large dock from which water can be pumped out; used for building ships or for repairing a ship below its waterline

Other hyponyms of dock include dry dock, graving dock, marina.

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

Other hyponyms of dock include dry-dock.

dock (noun)	drydock (noun)
the solid bony part of the tail of an animal as distinguished from the hair	a large dock from which water can be pumped out; used for building ships or for repairing a ship below its waterline
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)	drydock (verb)
maneuver into a dock	maneuver (a ship) into a drydock
remove or shorten the tail of an animal
come into dock
deduct from someone's wages
deprive someone of benefits, as a penalty