Experimented rhymes with:
patented, talented, accounted, anointed, appointed, augmented, blunted, cemented, commented, confronted, contented, counted, documented, fermented, granted, haunted, hinted, hunted, implemented, invented, jointed, misprinted, mounted, oriented, painted, patented, planted, pointed, presented, printed, ranted, rented, repainted, represented, resented, slanted, supplanted, supplemented, talented, wanted
Experimented sounds like:
esperanto, exboyfriend, experiment, exuberant