1. Son group words:

Bazi, night owl, face, idea, plum, child, son, man, father and son, boy.

Look, mother and son, son, fat man, house, book, son, seedling, parent and son, man.

Seeds, descendants of Yan and Huang, grids, days, sand, pairs, bullets, pride, liars, rabbits.

2. Zi: Chinese character, which has many meanings and usages. It can also be used by ancient people to describe characters, such as Confucius.