There are many words in the English Language with similar spelling (or) pronunciation but having different meanings.
Here, access and excess form a pair of Confusing Words. Let’s move on to find out the difference between the two.
✻ the right to enter (or) admit into a place
✻ the operation of reading and writing information
✻ the quantity which is more than needed
✻ the state of being more than full
Learning English is full of confusion. As you study, You will come across many such differences.
I believe the above explanation helped you understand the difference between the two words perfectly well. Keep Learning!!