What rhymes with gametangium

2 Syllables

allium, atrium, axum, barium, brachium, caelum, curium, folium, hafnium, holmium, labium, latium, librium, protium, tatum, valium, yttrium

3 Syllables

anthodium, anthurium, caldarium, ciborium, collyrium, consortium, contagium, cymatium, elysium, exordium, furculum, glochidium, guaiacum, gymnasium, gynoecium, haustorium, herbarium, hirsutism, indusium, kurilian, lemniscus, lutecium, manubrium, marsupium, maximum, patagium, praesidium, principium, procambium, prosceniums, prostomium, prytaneum, puparium, pyxidium, quadrivium, residuum, rhinarium, rosarium, sacrarium, samarium, solanum, solarium, strabismus, sudarium, symposium, syncytium, triforium, velarium, vivarium

4 Syllables

aluminum, aquarium, ariminum, cinerarium, collegium, colloquium, columbarium, ctenidium, cubiculum, curriculum, eboracum, epigastrium, eupatorium, eximious, frigidarium, fumatorium, guggenheim, honorarium, hymenium, hypogastrium, imperium, latifundium, leprosarium, lycopodium, miracidium, natatorium, noctambulism, oceanarium, parapodium, peculium, planetarium, polyzoarium, positronium, prothalamium, psalterium, reticulum, sanitarium, sensorium, septarium, simulacrum, sinecurism, spermatium, terrarium, vaginismus, ventriculus, vibraculum, zoosporangium

5 Syllables

amphithecium, antheridium, diverticulum, endometrium, epicardium, epicedium, florilegium, gametangium, herculaneum, hesperidium, hibernaculum, incunabulum, insectarium, paramecium, penicillium, pericardium, perichondrium, perineurium, perionychium, puerperium, rutherfordium, stratocumulus, telescopium, termitarium

6 Syllables

abecedarium, epithalamium, megasporangium