zit

/zɪt/
noun
  1. A small, raised spot on the skin, often red and filled with pus, caused by a blocked pore; a pimple.
    • He tried to hide his zits with a special concealer cream.
    • Using too much oily lotion can make your zits worse.
    • She woke up with a big zit on her chin right before the school dance.