admission charge vs fee

admission charge and fee both are nouns.

Word	Noun	Adjective	Verb	Adverb
admission charge	Yes	No	No	No
fee	Yes	No	Yes	No

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

admission charge (noun)	fee (noun)
the fee charged for admission	a fixed charge for a privilege or for professional services
	an interest in land capable of being inherited

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