Goings-ons rhymes with:
afrikaans, alphonse, azerbaijan's, batons, bonn's, brons, bronze, come-ons, cons, don's, dons, donze, fons, fonz, han's, hons, hwan's, jahns, john's, johns, jon's, kahan's, kahn's, kazakhstan's, khan's, konz, lat-lons, lian's, livan's, lons, milan's, nithuekan's, omans, ons, pons, put-ons, ron's, run-ons, saint-saens, salons, schons, sohns, sons', spawns, st-johns, swann's, swans, taiwan's, teheran's, teherans, tehran's, tehrans, try-ons, vons, yuan's, yvonne's
Goings-ons sounds like:
ganging, ginghams, ginseng, gnashing, gunsmoke, gymnasiums