This is the reason you cannot flatly say that a rug is just another word for a carpet and you cannot use these words as a synonym to each other.
Difference between rug an dcarpet.
In some countries both words are the same and have no difference but in some other countries they are entirely two different terms.
A rug vs carpet rug and carpet are terms that are used interchangeably.
Although rugs do the same a rug is entirely not the same item as carpet.
Main difference the main difference between rug and carpet is that rugs are an artistic way of covering the specific area of the floor adding style to the same whereas floor to floor and wall to wall coverings are called carpets.
In america a carpet is a floor covering that is laid wall to wall and rugs cover only a small area or they are area specific.
In other words a rug is less than 2m 6 5 feet in length.
Considering rug vs carpet there is steep difference between durability utility and portability of both the products.
Colloquially at least in the south the difference between a rug and a carpet seems to be movability.
A rug is smaller than a carpet.
People call a wall to wall covering as a carpet and prefer to call smaller pieces that are either kept in the center of a room or below a bed as rugs.
The size difference can be put in the following manner as well.