stuff
(a collection of things that belong to a specific person, activity, or location)
- I packed all my stuff into the suitcase.
- Where’s your gym stuff?
(to fill a space or container with something)
- She stuffed her clothes into a bag.
- I found a bag stuffed with money.
- They stuffed the pillows with feathers.
staff
(a group of people who work for an organization)
- The hospital staff had to work in shifts.
- Our department has a staff of four.