admission vs admission charge

admission and admission charge both are nouns.

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

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

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

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