eternavseternasWhich spelling fits?

Which to use

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

#6,182
“eterna” frequency rank
#21,668
“eternas” frequency rank
27850
confusion score

Side-by-Side Comparison

Feature eterna eternas
Definition Forma del femenino de eterno. Forma del femenino plural de eterno.

Where the eye mixes eterna and eternas

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. eterna runs 6 letters (VCVCCV) against eternas's 7 (VCVCCVC) - the length gap alone is often enough to separate them once you know to check it.

6 ch
eterna
7 ch
eternas

Look-alike desk: eterna vs eternas

A purely visual mix-up. eterna ([eˈt̪eɾna]) and eternas ([eˈt̪eɾnas]) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 extra letter(s) - “eterna” sits inside “eternas”. Our composite confusion score for this pair is 27850, derived from the frequency rank of both members and their visual similarity.

eterna is recorded at frequency rank #6,182, classified as anadj, pronounced [eˈt̪eɾna]. eternas is at rank #21,668, tagged as anadj, pronounced [eˈt̪eɾnas].

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 27850, this pair ranks #224,856 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of eterna vs eternas

Shared letters: aenrt. Private to "eterna": -. Private to "eternas": s.

"eterna" · 6 letters · shape VCVCCV  ·  "eternas" · 7 letters · shape VCVCCVC

Known mistypes of this pair

  • eterna ← eetrna · etenra · eteran · eternna · eterrna · etrena · etterna · teerna
  • eternas ← eetrnas · etenras · eterans · eternass · eternnas · eternsa · eterrnas · etrenas

Frequently Asked Questions

Is swapping "eterna" for "eternas" ever safe?
No. They are said differently ([eˈt̪eɾna] versus [eˈt̪eɾnas]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "eterna" vs "eternas" - which ranks higher?
"eterna" is the more common of the two: it sits at frequency rank #6,182 in our Spanish list, against #21,668 for "eternas". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Eye-level mix-up between "eterna" and "eternas" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "eterna" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "eternas" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #224,856 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "eterna" and "eternas" also get mixed up with nearby pairs, the highest-scored neighbour is "eternal vs eternas". 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 #224,856 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