N. infant, babe, baby, babe in arms, nurseling, suckling, yearling, weanling, papoose, bambino, kid, vagitus, child, bairn, little one, brat, chit, pickaninny, urchin, bantling, bratling, elf, youth, boy, lad, stripling, youngster, youngun, younker, callant, whipster, whippersnapper, whiffet, schoolboy, hobbledehoy, hopeful, cadet, minor, master, scion, sap, seedling, tendril, olive branch, nestling, chicken, larva, chrysalis, tadpole, whelp, cub, pullet, fry, callow, codlin, codling, foetus, calf, colt, pup, foal, kitten, lamb, lambkin, aurelia, caterpillar, cocoon, nymph, nympha, orphan, pupa, staddle, girl, lass, lassie, wench, miss, damsel, demoiselle, maid, maiden, virgin, hoyden

Adj. infantine, infantile, puerile, boyish, girlish, childish, babyish, kittenish, baby, newborn, unfledged, new-fledged, callow, in the cradle, in swaddling clothes, in long clothes, in arms, in leading strings, at the breast, in one's teens

N. posterity, progeny, breed, issue, offspring, brood, litter, seed, farrow, spawn, spat, family, grandchildren, heirs, great-grandchild, child, son, daughter, butcha, bantling, scion, acrospire, plumule, shoot, sprout, olive-branch, sprit, branch, off-shoot, off-set, ramification, descendant, heir, heiress, heir-apparent, heir- presumptive, chip off the old block, heredity, rising generation, straight descent, sonship, line, lineage, filiation, primogeniture

Adj. filial, diphyletic

Phr. "the child is father of the man", "the fruit doesn't fall far from the tree", "like father, like son"