toll taker vs employee

toll taker and employee both are nouns.

Word	Noun	Adjective	Verb	Adverb
toll taker	Yes	No	No	No
employee	Yes	No	No	No

As nouns, employee is a hypernym of toll taker; that is, employee is a word with a broader meaning than toll taker:

toll taker (noun)	employee (noun)
someone employed to collect tolls	a worker who is hired to perform a job