This is the 4486th most frequent Japanese word.
孝
Filial piety; respect and devotion to one's parents and elders.
孝 is directly used as a noun, meaning filial piety, representing the value of respecting and honoring one's parents.
孝が大切な価値観です。
Filial piety is an important value.
孝 is part of the compound noun 親孝行, which means filial piety or devotion to one's parents.
彼は親孝行に励んでいます。
He is devoted to filial duties.
孝 is used again as a noun, emphasizing the actions showcasing the concept of filial piety.