How do you say “filial piety” in Vietnamese?

Vietnamese words for “filial piety”

• hiếuListennoun
  Hanoi [hiəw˧˦] · Saigon [hiw˦˥]hiếu rising

  filial piety; mourning after parent's death

  for “filial piety” meaning: The virtue of showing respect and doing good deeds for one's parents, elders, and ancestors, as understood in Confucian ethics and commonly observed in the Sinosphere.

• hiếu thảoListenadjective
  Hanoi [hiəw˧˦ tʰaːw˧˩] · Saigon [hiw˦˥ tʰaːw˨˩˦]hiếu rising thảo dipping

  having filial piety

  for “filial piety” meaning: The virtue of showing respect and doing good deeds for one's parents, elders, and ancestors, as understood in Confucian ethics and commonly observed in the Sinosphere.

• hiếu thuậnListenadjective
  Hanoi [hiəw˧˦ tʰwən˧˨ʔ] · Saigon [hiw˦˥ tʰ⁽ʷ⁾əŋ˨˩˨]hiếu rising thuận heavy

  filial; dutiful

  for “filial piety” meaning: The virtue of showing respect and doing good deeds for one's parents, elders, and ancestors, as understood in Confucian ethics and commonly observed in the Sinosphere.