What Is Their Main Difference?
A 'shelf' is a board that we put on the wall and put stuff on it, while, 'shelve' is a verb that refers to putting something on the shelf. Look at the examples below:
Put the books back on the
The nurse carefully
Both are related to shelves. Check out the examples below:
I wanted to put the plates on the
Are They Interchangeable?
'Shelf' is a noun, whereas, 'shelve' is a verb. Therefore, we cannot use them interchangeably. Compare:
✓ You want me to help you put these clothes on the shelf?
X You want me to help you put these clothes on the shelve?