dock worker vs docker

dock worker and docker both are nouns.

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

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

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

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

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