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