The items commonly found in a bathroom cabinet are toothpaste (10 letters), RAZOR (5 letters), toothbrush (10 letters), FLOSS (5 letters), Q-tip (4 letters), and cottonball (10 letters). These items are essential for personal hygiene, with toothpaste and toothbrush being used to clean teeth, FLOSS to remove food particles between teeth, and RAZOR to shave. Q-tips and cottonballs are often used for cleaning and applying makeup.