splicer vs worker

splicer and worker both are nouns.

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

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

splicer (noun)	worker (noun)
a mechanical device for joining two pieces of paper or film or magnetic tape	sterile member of a colony of social insects that forages for food and cares for the larvae
a worker who splices ropes together by interweaving strands	a person who works at a specific occupation
a woodworker who joins pieces of wood with a splice	a member of the working class (not necessarily employed)
	a person who acts and gets things done