Similar words
conejillo
cobaya and conejillo (short for "conejillo de indias") are close synonyms for "guinea pig"; cobaya is more scientific or standalone.
Similar in other languages
Portuguese
cobaia
cobaia is the Portuguese word for the same thing — both mean "guinea pig."
Portuguese
porquinho-da-índia
porquinho-da-índia is the Portuguese word for the same thing — both mean "guinea pig."
Practice
1 What does cobaya mean?
guinea pig
2 Fill the gap: Usaron ___ en el ensayo.
Full sentence: Usaron cobayas en el ensayo. (They used guinea pigs in the trial.)
3 Which fingerprint chart matches cobaya?
cobaya: neutral register, common frequency, general domain, neutral connotation.