entrance money vs admission fee

entrance money and admission fee both are nouns.

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

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

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

entrance money (noun)	admission fee (noun)
the fee charged for admission	the fee charged for admission