Cotton root bark, Gossypium herbaceum, and cotton.
Sponge and cotton are absorbent.
The common thing in cotton wool is cotton. Cotton wool isn't really wool -- it's cotton from which the large dirt and foreign objects have been removed. It is commonly used for first aid gauze or tampons -- Americans call it 'absorbent cotton'. (The term cotton wool is UK-centric.)
As far as plants, the most common is Cotton, which is usually blended with artificial Polyester.
long-staple cotton and short-staple cotton plants were the most common crops.
Wool, Nylon, Cotton
Common noun
Its maybe cotton.
Cotton most common.
They are fibers.
Wool and cotton.
Cotton most common.