Deconcini rhymes with:
alfonsine, alfonsine, ambrosine, ambrosini, blasini, cassini, corsini, frazzini, masini, mosinee, orsini, procassini, rosine, rossini, thomasine, tomasine, tomasini, ursini, vizzini
Deconcini sounds like:
decommission, deukmejian, dickensian, dickenson, dickinson, dissension