lộn

lộn
verb
  1. to turn the inside out, upside down, etc.; to reverse; to flip; to overturn
  2. to go back; to return
  3. (biology) to metamorphose
  4. (Southern Vietnam) to mix up; to confuse
  5. (Southern Vietnam) to do by mistake; to be mistaken

adv
  1. each other; mutually