What rhymes with hyperpituitarism

2 Syllables
centrism, custom, estrum, frustum, system, victim
3 Syllables
accustom, alyssum, behemoths, clostridium, kaiserism, mammonism, mentalism, proselytism, rheotropism
4 Syllables
chrysanthemum, ethnocentrism, gallicanism, geocentrism, hooliganism, metamorphism, panhellenism, phototropism
5 Syllables
geomagnetism, photojournalism
6 Syllables
accommodationism, ecumenicalism, epicureanism, hyperpituitarism, hypopituitarism