Felines rhymes with:
airline's, airlines, airlines', baselines, bloodlines, caroline's, coastlines, dateline's, datelines, deadlines, enterline's, esterline's, frontline's, guidelines, headlines, hemlines, hotlines, lifelines, moneyline's, nightline's, nightlines, online's, outlines, pipeline's, pipelines, pipelines', sidelines, skylines, smithkline's, storylines, strandlines, underlines, villines
Felines sounds like:
failing, failings, falanga, falling, feeling, feelings, fehling, fellenz, felling, felonies, felonious, felons, filene's, filing, filings, filinski, filling, fillings, film's, filming, films, flailing, flamenco, flames, flaming, flamingo, flamingos, flammang, flange, flanges, flank, flanks, fleeing, fleming, fleming's, flemings, flemish, flemming, flemons, flewelling, flimsy, flinch, fling, flings, flink, flounce, flounces, flowing, fluency, flumes, flummox, flung, flunk, flunks, flying, foaling, foiling, following, followings, fooling, fouling, foulness, fueling, fuelling, fullness