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