Aquarium rhymes with:
barium, herbarium, honorarium, merriam, planetarium, atrium, auditorium, bacterium, barium, crematorium, delirium, deuterium, disequilibrium, emporium, equilibrium, herbarium, honorarium, merriam, miriam, moratorium, myriam, mysterium, opprobrium, planetarium, tellurium, thorium, yttrium
Aquarium sounds like:
achorn, acierno, ackerman, ackermann, acorn, acrimony, acronym, agouron, agrarian, akerman, akkerman, akron, askren, assyrian, aukerman, ausherman