hù

hù
verb
  1. to scare someone with a surprise

intj
  1. boo (a loud exclamation intended to scare someone)

noun
  1. wood owl

vù

vù
adj
  1. (only in compounds) having the sound of the blowing wind

吁

吁
character
  1. chữ Hán form of hù (“to scare someone with a surprise”).
  2. chữ Hán form of vù (“sound of the blowing wind”).