老

(a prefix used before the surname of a person or a numeral indicating the order of birth of the children in a family to indicate affection or familiarity)
old (of people)

浪涌, 浪子, 浪子回头, 捞, 唠, 劳, 牢, 醪, 崂, 痨, 劳动, 劳动教养, 劳动节, 劳动力, 劳动者, 劳工, 牢固, 劳教, 牢牢, 劳累, 老百姓, 老板, 老伴儿, 老兵, 老二, 老公, 老虎, 老骥伏枥志在千里, 老家, 姥姥, 老两口, 老年, 老年人, 老牌, 老婆, 老人, 老师, 老是, 老鼠, 老套,