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