bairn, bambino, buster, changeling, fosterling, imp, kiddy, kindergartener, kindergartner, monkey, orphan, peanut, picaninny, piccaninny, pickaninny, preschooler, rapscallion, rascal, scalawag, scallywag, scamp, silly, sprog, toddler, tot, urchin, waif, yearling.
Your query has returned 537 words, which include anagrams of youngsters as well as other shorter words that can be made using the letters included in youngsters.
The words in this list can be used in games such as Scrabble, Words with Friends, Wordscapes and other similar games.