The word "superficial vein of upper limb" can be replaced with different synonyms to enhance the vocabulary and convey a more definite meaning. Some of the synonyms for the word "superficial vein of upper limb" include peripheral veins, subcutaneous veins, and cutaneous veins. Another synonym for superficial vein of upper limb is the cephalic vein, which is a large and prominent vein located in the upper arm. Furthermore, the basilic vein is another option for the superficial vein of upper limb, which is located along the medial side of the arm and forearm. These synonyms provide a clear understanding of the anatomical structures and can be used interchangeably depending on the context.