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