Imbera rhymes with:
barbara, deborah, acampora, acura, agora, amphora, anaphora, andera, ankara, aventura, bachera, barbara, camera, cetera, cholera, corpora, deborah, diaspora, eleuthera, etc, etcetera, genera, kuchera, lenora, maquiladora, plethora, reitera, samara, tempera, theora, vanora
Imbera sounds like:
imber, impair, imperia, impure, infer, inferior, infra