Hydra
"Hydra" in Spanish
Hidra
(one of Pluto's moons)
Hidra de Lerna
(mythical serpent)
Hydra
(constellation)
hydra
(any of several small freshwater polyps of the genus Hydra and related genera)
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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.