eternavseternosTell them apart

Which to use

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

#6,182
“eterna” frequency rank
#18,247
“eternos” frequency rank
24429
confusion score

Side-by-Side Comparison

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

Where the eye mixes eterna and eternos

Muted = shared; highlighted = the visual trap. They share 5 letters in sequence.

6 ch
eterna
7 ch
eternos

Visual trap between eterna and eternos

A purely visual mix-up. eterna ([eˈt̪eɾna]) and eternos ([eˈt̪eɾnos]) 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 letter(s) in length. Our composite confusion score for this pair is 24429, 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]. eternos is at rank #18,247, tagged as anadj, pronounced [eˈt̪eɾnos].

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 24429, this pair ranks #241,221 of 323,831 scored Spanish confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of eterna vs eternos

Shared letters: enrt. Private to "eterna": a. Private to "eternos": os.

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

Known mistypes of this pair

  • eternaeetrna · etenra · eteran · eternna · eterrna · etrena · etterna · teerna
  • eternoseetrnos · etenros · eternnos · eternoss · eternso · eterons · eterrnos · etrenos

Frequently Asked Questions

Is swapping "eterna" for "eternos" ever safe?
No. They are said differently ([eˈt̪eɾna] versus [eˈt̪eɾnos]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "eterna" vs "eternos" - which ranks higher?
"eterna" is the more common of the two: it sits at frequency rank #6,182 in our Spanish list, against #18,247 for "eternos". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

Useful next steps

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "eterna" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "eternos" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #241,221 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "eterna" and "eternos" also get mixed up with nearby pairs, the highest-scored neighbour is "esteros vs eternos". 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 #241,221 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