What we call carpet is a floor covering that stretches from wall to wall and is affixed to the floor.
Difference between rug an dcarpet.
A rug vs carpet rug and carpet are terms that are used interchangeably.
Colloquially at least in the south the difference between a rug and a carpet seems to be movability.
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.
The word rug has come to mean a smaller item as in an area rug that is around 4 feet by 6 feet or less while the word carpet reflects bigger items as in an area carpet that are over 4 feet wide and 6 feet long.
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.
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.
In other words a rug is less than 2m 6 5 feet in length.
A rug is smaller than a carpet.
Although rugs do the same a rug is entirely not the same item as carpet.
In some countries both words are the same and have no difference but in some other countries they are entirely two different terms.