There is something in the box.

I bought some new note books for school.

I bought some note pads for my office.

Employees are required to give two months' notice periods before resigning.

The notional amounts of the contracts were significantly higher than expected.

NOT gates are used in digital logic circuits to invert the input signal.

There are many not equal signs on the whiteboard.

There are many NOT operators in the code.

There are many things of nothing in the room.

There are many what-not shops in the city.