Hydra

"Hydra" in Greek

Ύδρα

Ýdra

(constellation)

Ύδρα

Ýdra

(one of Pluto's moons)

Λερναία Ύδρα

Lernaía Ýdra

(mythical serpent)

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.