What rhymes with the word nero?

Translate nero to

Roman Emperor notorious for his monstrous vice and fantastic luxury (was said to have started a fire that destroyed much of Rome in 64) but the Roman Empire remained prosperous during his rule (37-68) more »

2 syllables

biro ero fierro hero hiro liro miro nero niro pierro piro pirro schiro spiro zero

3 syllables

argiro aufiero carriero deniro dipiero dipierro dipirro guerriero oshiro ramiro ruggiero sapiro shapero shapiro subzero tashiro yoshiro

4 syllables

casimiro kaneshiro masahiro miyashiro morihiro moruhiro santarsiero shoichiro tamashiro tesoriero yamashiro