They have a different texture and mouth feel and taste. Also roti (or rather chapati which is the type of roti most similar) is made with just flour and water and sometimes oil. No leavening or anything or salt. Chapati is also much more stretchy and robust.
I only had roti in India and all I remember is saying “this is a tortilla” to my coworkers there.
i asked couse they look same
They have a different texture and mouth feel and taste. Also roti (or rather chapati which is the type of roti most similar) is made with just flour and water and sometimes oil. No leavening or anything or salt. Chapati is also much more stretchy and robust.