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