Roget's Thesaurus of English Words and Phrases by Peter Mark Roget

suckling, yearling, weanling; papoose, bambino; kid; vagitus. child, bairn [Scot.], little one, brat, chit, pickaninny, urchin; bantling, bratling†; elf. youth, boy, lad, stripling, youngster, youngun, younker†, callant†, whipster†, whippersnapper, whiffet [U.S.], 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.