How do you say sister in Bulgarian?
— сестра (f) (sestra)

Related synonyms for sister in Bulgarian
babyбебе (n) (bébe)
Generic synonyms for sister in Bulgarian
girlдевойка (f) (devójka); мома (f) (momá); момиче (f) (momiče)
Antonyms for sister in Bulgarian
brotherдевер (m)