The Attic Greek word ἀδελφή
Word ἀδελφή
ǎ ð e l pʰ ɛː.
IPA ǎðelpʰɛː.
Meaning sister

Other words that might be of interest
πάππος ‘grandfather’, ἐγγυητός ‘plighted, wedded’, ἀγένειος ‘beardless, boyish’, γαμετή ‘married woman, wife’, γαμέτης ‘husband, spouse’, ἑταιρεία ‘association, brotherhood’, υἱός ‘son’, ἄρσην ‘male, masculine’, μητρυιᾱ ‘stepmother’