longer vs worker

longer and worker both are nouns.

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

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

Other hypernyms of longer include actor, doer.

longer (noun)	worker (noun)
a person with a strong desire for something	sterile member of a colony of social insects that forages for food and cares for the larvae
	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

longer (adverb)	worker (adverb)
for more time