Proto-Indo-European *dus-

→ English tore (derived)

→ Welsh dy- (inherited)

→ Persian دژ (derived)

→ Persian دزد (derived)

→ Persian دشمن (derived)

→ Persian دوزخ (mention)

→ Faroese tor- (inherited)

→ Irish do- (inherited)

→ Gothic 𐍄𐌿𐌶- (inherited)

→ Ancient Greek δυσ- (inherited)

→ Ancient Greek δυσμενής (mention)

→ Icelandic tor- (inherited)

→ Latvian paduse (mention)

→ Norwegian Bokmål dyskalkuli (derived)

→ Sanskrit दुष्यति (inherited)

→ Sanskrit दुर्ग (mention)

→ Sanskrit दुस्- (inherited)

→ Old Irish do- (inherited)

→ Old Armenian դժ- (derived)

→ Old Armenian թշուառ (cognate)