Similar word to children:

adolescent, anklebiter, babe, baby, bairn, bambino, brat, cherub, chick, cub, descendant, dickens, imp, infant, innocent, issue, juvenile, kid, kiddie, lamb, little angel, little darling, little doll, little one, minor, mite, moppet, neonate, nestling, newborn, nipper, nursling, offspring, preteen, progeny, pubescent, shaver, small fry, sprout, squirt, stripling, suckling, tadpole, teen, teenager, teenybopper, toddler, tot, tyke, urchin, whippersnapper, young one, youngster, youth