Words That Rhyme With "Routinist" :
2 syllables:
cleanest, cnemis, finest, greenest, jainist, keenest, leanest, lenis, meanest, menaced, penis, Themis, thinnest, Zenist
3 syllables:
arcanist, balloonist, bassoonist, extremist, hygienist, imprimis, machinist, pianist, sopranist, trombonist