exanthemata

/IH0 G Z AE1 N TH AH0 M AH0 T AH0/
noun
  1. 1

    A widespread rash usually occurring in children.

Source: https://en.wiktionary.org/wiki/exanthem, https://en.wiktionary.org/wiki/exanthema, https://en.wiktionary.org/wiki/exanthemata