Ong rhymes with:
along, aung, belong, chong, cong, cuong, dejong, dejonge, dejongh, delong, dong, fong, gong, guangdong, hmong, hong, hong-kong, jong, kong, kwong, kyong, kyoung, lifelong, long, luong, maung, mong, phuong, pong, prolong, prong, pudong, quang, rong, sarong, see-kiong, song, spong, sprong, stong, strong, thong, throng, tong, truong, vietcong, vong, vuong, wong, wrong, xiong, xudong, xuedong, yearlong, yong, yuzong, zedong
Ong sounds like:
oehmens, ohioans, ohm's, ohms, ohnemus, omaha's, omans, omega, omens, ominous, onassis, onassis', onassis's, once, one's, oneness, oneok, ones, ones', onex, onex's, onions, onishi, ons, onus, onyx, ounce, ounces, owen's, owens, owens's, owing, owings, owning, owns