geek vs worker

geek and worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
geek	Yes	No	Yes	No
worker	Yes	No	No	No

As nouns, worker is a hypernym of geek; that is, worker is a word with a broader meaning than geek:

Other hypernyms of geek include actor, doer.

geek (noun)	worker (noun)
a person with an unusual or odd personality	sterile member of a colony of social insects that forages for food and cares for the larvae
a carnival performer who does disgusting acts	a person who works at a specific occupation
	a member of the working class (not necessarily employed)
	a person who acts and gets things done

geek (verb)	worker (verb)
to be intoxicated