Here's what rhymes with speedingly.
pleadingly exceedingly misleadingly Words that almost rhyme with speedingly
fleetingly sweepingly beseechingly entreatingly teasingly jeeringly seemingly feelingly pleasingly appealingly peevishly sneakingly endearingly fiendishly scenically deceivingly freakishly screamingly secretly unceasingly sheepishly heatedly intriguingly revealingly decreasingly unfeelingly unseeingly overweeningly squeamishly unappealingly increasingly repeatedly cohesively disbelievingly vixenishly strategically obliquity tantalisingly