Here's what rhymes with retrievably.
believably irretrievably unbelievably conceivably inconceivably Words that almost rhyme with retrievably
appreciably peaceably feasibly inappreciably indefeasibly unrelievedly legally grievously dreamily drearily regally agreeably illegally greedily regency unevenly zealously realty sleepily egregiously breezily cheekily creakily creepily creamily recently deity speedily supremely ceaselessly fealty needlessly aridity gleefully leniency serenely genially heedlessly leniently naivety piquancy seamlessly irredeemably obscenely peony greasily heedfully needfully piquantly sleeplessly sneakily wheezily anemically sleazily frequency frequently secrecy decency peacefully decently ingeniously uneasily unequally ideality unspeakably disagreeably deceitfully dubiety phonemically speciously covetously speechlessly queasily coequally squeakily infrequently obesity coherently crystallinity indecency benignity facetiously infrequency indecently unfrequently congenially heterogeneously centripetally conveniently historicity homogeneity spontaneity inconveniently heterogeneity simultaneity contemporaneity