Words That Rhyme With "Quadrennial" :
3 syllables:
cineole, cuneal, finial, Jezreel, lineal, menial, monial, penial, venial
4 syllables:
achenial, baronial, biannual, biennial, centennial, colonial, decennial, domanial, geranial, loessial, millennial, octennial, perennial, quinquennial, septennial, sexennial, terpineol, triennial, ungenial, vicennial
5 syllables:
antimonial, bicentennial, ceremonial, entelechial, interlineal, matrilineal, matrimonial, patrilineal, premillennial, primogenial, rectilineal, tercentennial, testimonial, tricentennial, uncongenial