router vs trained worker

router and trained worker both are nouns.

Word	Noun	Adjective	Verb	Adverb
router	Yes	No	No	No
trained worker	Yes	No	No	No

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

Other hypernyms of router include skilled worker, skilled workman.

router (noun)	trained worker (noun)
(computer science) a device that forwards data packets between computer networks	a worker who has acquired special skills
a worker who routes shipments for distribution and delivery
a power tool with a shaped cutter; used in carpentry for cutting grooves