HidravsHydraTell them apart

Which to use

“Hidra” and “Hydra” are a confusable Spanish pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#49,703
“Hidra” frequency rank
#35,550
“Hydra” frequency rank
85253
confusion score

Side-by-Side Comparison

Feature Hidra Hydra
Definition Nombre de una constelación, situada entre el Centauro y el León. Es vecina de las constelaciones del Centauro, la Balanza (Libra), la Virgen, el Cuervo, la Copa (Crátera, en español, o Crater, en latín), el Sextante, el León (Leo), el Cangrejo (Cáncer), el Can Menor (Canis Minor), el Unicornio (Monoceros), la Popa, la Brújula (Pyxis) y la Máquina Neumática (Antlia). Es la más extensa de todas las constelaciones. Su estrella principal es Alphard (el solitario), la estrella sigma Hya se llama tambiénAl Minliar Al Shuja (la nariz de la serpiente, en árabe). La constelación representa al monstruo de mil cabezas que volvian a nacer en cuanto Hércules las cortaba, según la mitología griega. Nombre de una constelación, situada entre el Centauro y el León. Es vecina de las constelaciones del Centauro, la Balanza (Libra), la Virgen, el Cuervo, la Copa (Crátera, en español, o Crater, en latín), el Sextante, el León (Leo), el Cangrejo (Cáncer), el Can Menor (Canis Minor), el Unicornio (Monoceros), la Popa, la Brújula (Pyxis) y la Máquina Neumática (Antlia). Es la más extensa de todas las constelaciones. Su estrella principal es Alphard (el solitario), la estrella sigma Hya se llama tambiénAl Minliar Al Shuja (la nariz de la serpiente, en árabe). La constelación representa al monstruo de mil cabezas que volvian a nacer en cuanto Hércules las cortaba, según la mitología griega.

Same sound, different letters: Hidra vs Hydra

Muted letters are shared; highlighted letters are the only spelling cue when pronunciation matches. Shared run: 4 letters. Hidra and Hydra follow the identical consonant-vowel pattern (CVCCV). Same shape at a glance is often the real trap, independent of shared letters.

5 ch
Hidra
5 ch
Hydra

Ear matches; page differs - Hidra and Hydra

This is the hard kind. Hidra and Hydra are pronounced identically ([ˈið̞ɾa]) and both work as aname. Neither the ear nor the grammar will rescue you; only the meaning does, so the glosses below are the whole decision. They differ by a single letter - i in “Hidra” becomes y in “Hydra”. Our composite confusion score for this pair is 85253, derived from the frequency rank of both members and their visual similarity.

Hidra is recorded at frequency rank #49,703, classified as aname, pronounced [ˈið̞ɾa]. Hydra is at rank #35,550, tagged as aname, pronounced [ˈið̞ɾa].

Glosses for this pair are partially populated in our dataset, but the full side-by-side definitions above should still guide you to the right choice.

With a confusion score of 85253, this pair ranks #6,291 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of Hidra vs Hydra

Shared letters: adhr. Private to "Hidra": i. Private to "Hydra": y.

"Hidra" · 5 letters · shape CVCCV  ·  "Hydra" · 5 letters · shape CVCCV

Known mistypes of this pair

  • Hidra ← hdira · hhidra · hidar · hiddra · hidrra · hirda · ihdra
  • Hydra ← hdyra · hhydra · hydar · hyddra · hydrra · hyrda · hyydra · yhdra

Frequently Asked Questions

Do "Hidra" and "Hydra" mean the same thing in a sentence?
No. They are pronounced the same ([ˈið̞ɾa]), which is exactly why they get swapped in writing, but the dictionary meanings above are different, and pronunciation is no guide here.
In ordinary Spanish text, does "Hidra" or "Hydra" show up more?
"Hydra" is the more common of the two: it sits at frequency rank #35,550 in our Spanish list, against #49,703 for "Hidra". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Sound matches; spelling doesn't. Use the exits below to lock the right form or check a cousin pair.

  • Full dictionary entry for "Hidra" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "Hydra" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #6,291 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "Hidra" and "Hydra" also get mixed up with nearby pairs, the highest-scored neighbour is "Hidra vs hierva". Nearby pair
  • Recorded mistypes exist for at least one side of this pair, useful when a spell-checker or OCR lands on the wrong form. See mistypes

Confusion rank #6,291 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list