role
(the position or function of someone or something in a situation or activity)
- What is your role in this project?
- Money plays an important role in my life.
roll
(a small loaf of bread)
- She spread butter on a roll.
(an official list of names)
- The teacher called the roll to see if any students were absent.
(a long piece of paper, plastic, cloth, or wire that is wrapped into the shape of a tube)
- I need roll of silver foil.
- There are six rolls of toilet paper in there.
(to move along a surface by turning over and over)
- The ball rolled down the hill.
Thank you so much.