How do you say rodent in Portuguese?
— Roedores

Specialized synonyms for rodent in Portuguese
beavercastor (m)
dormousearganaz (m)
hamsterhamster (m)
hedgehogporco-espinho (m); ouriço (m)
marmotmarmota
mouserato (m); mouse (m)
muskratrato almiscareiro
ratrato (m); rata (f); ratazana (f)
squirrelesquilo (m)