drop-off charge vs fee

drop-off charge and fee both are nouns.

Word	Noun	Adjective	Verb	Adverb
drop-off charge	Yes	No	No	No
fee	Yes	No	Yes	No

As nouns, fee is a hypernym of drop-off charge; that is, fee is a word with a broader meaning than drop-off charge:

drop-off charge: a fee added for returning a rented car to a location different from the one where it was rented
fee: a fixed charge for a privilege or for professional services

drop-off charge (noun)	fee (noun)
a fee added for returning a rented car to a location different from the one where it was rented	a fixed charge for a privilege or for professional services
	an interest in land capable of being inherited

drop-off charge (verb)	fee (verb)
	give a tip or gratuity to in return for a service, beyond the compensation agreed on