笄 (w)

(jī) 15 years old; hairpin for bun

笄之年 (w)

(jīzhīnián) beginning of maturity (of a girl)

笄冠 (w)

(jīguān) to have just attained maturity (traditional)

笄年 (w)

(jīnián) beginning of maturity (of a girl)

笄蛭 (w)

(jīzhì) a kind of earthworm