Serials rhymes with:
cereals, biomaterials, cereals, imperial's, materials, materials', advertorials, aerials, biomaterials, burials, cereals, editorial's, editorials, extraterrestrials, gabriel's, imperial's, industrial's, industrials, industrials', materials, materials', memorials, tutorials
Serials sounds like:
sacrilege, sacrilegious, sarles, sarlos, scherlis, scoreless, scrolls, scurlock, scurrilous, searle's, searles, searls, serialize, serology, sherlock, sherlock's, shirley's, showgirls, sirles, sorrell's, sorrells, sorrels, squirrels, sucralose, surles, swirls