dock worker vs dockhand

dock worker and dockhand both are nouns.

Word	Noun	Adjective	Verb	Adverb
dock worker	Yes	No	No	No
dockhand	Yes	No	No	No

As nouns, dock worker and dockhand are synonyms defined as:

dock worker and dockhand: a laborer who loads and unloads vessels in a port

Other synonyms of dock worker include dock-walloper, docker, dockworker, loader, longshoreman, lumper, stevedore.

dock worker (noun)	dockhand (noun)
a laborer who loads and unloads vessels in a port	a laborer who loads and unloads vessels in a port