pustules

/P AH0 S T UW1 L Z/
noun
  1. 1

    A small accumulation of pus in the epidermis or dermis.

  2. 2

    A pimple filled with pus.

  3. 3

    Anything like a pustule, on plants or animals; a small blister.

Source: https://en.wiktionary.org/wiki/pustule, https://en.wiktionary.org/wiki/pustules