entrance money vs entrance fee

entrance money and entrance fee both are nouns.

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

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

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

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