" Indeed, Hugo, I must beg you to dispense with the babyish 'Lieschen' in addressing a young lady of twenty- one," his wife said, sharply. "Quicksands", - Adolph Streckfuss

It is considered " babyish however, to resort to this unless there is some very good reason. "Games for the Playground, Home, School and Gymnasium", - Jessie H. Bancroft

He was sleeping when I went in, and was muttering over a babyish prayer, which quite touched me. "From the Valley of the Missing", - Grace Miller White