Leave ONE unnecessary letter in these words to make them

I.

1. STAIDIUM ………………………………………….

2. HOISPITAL ………………………………………….

3. SUPERIMARKET ………………………………………….

4. CINEIMA ………………………………………….

5. POEST OFFICE ………………………………………….

6. PHAREMACY ………………………………………….

7. THEATREA ………………………………………….

8. BEETWEEN ………………………………………….