admission fee vs admission

admission fee and admission both are nouns.

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

As nouns, admission fee and admission are synonyms defined as:

Other synonyms of admission fee include admission charge, admission price, entrance fee, entrance money, price of admission.

admission fee (noun)	admission (noun)
the fee charged for admission	the act of admitting someone to enter
	the right to enter
	an acknowledgment of the truth of something
	the fee charged for admission