Here's what rhymes with efticiency.
Words that almost rhyme with efticiency
residency hesitancy elegantly ethically equitably sceptically technically charitably effeminacy hesitantly negligently skeptically aseptically metrically veritably reticently theoretically electrically pathetically hermetically effeminately ineligibly inextricably intelligently magnetically majestically eccentrically apathetically indelicately diametrically parenthetically concentrically antiseptically egocentrically geocentrically sympathetically ecumenically sacrilegiously photoelectrically infinitesimally unsympathetically hydroelectrically electromagnetically