Words That Rhyme With "Duodecillion" :
2 syllables:
billion, jillion, Killian, million, pillion, stillion, trillion, zillion
3 syllables:
Brazilian, Castilian, centillion, civilian, cotillion, cotillon, decillion, mandilion, modillion, octillion, pavilion, penillion, postilion, postillion, prairillon, reptilian, septillion, sextillion, tourbillion, vermilion, vermillion
4 syllables:
crocodilian, multibillion, multimillion, sexdecillion, tredecillion