Words That Rhyme With "Killian" :

2 syllables:

billion, jillion, 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

5 syllables:

duodecillion, intermodillion, octodecillion, septendecillion