Ambrosia rhymes with:
fosia, amnesia, anaesthesia, anastasia, andalusia, anesthesia, aphasia, asia, australasia, austrasia, dysplasia, eurasia, euthanasia, fantasia, fosia, french-polynesia, hyperplasia, indonesia, magnesia, malaysia, micronesia, persia, polynesia, rhodesia, tunisia
Ambrosia sounds like:
amanpour's, amber's, amberg, ambers, ambriz, ambrogio, ambrose, ambrosio, ambrosius, amburgey, amperage, annenberg