eternovsexternoWhat's the difference?

Which to use

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

#5,509
“eterno” frequency rank
#6,672
“externo” frequency rank
12181
confusion score

Side-by-Side Comparison

Feature eterno externo
Definition Que no tuvo principio ni tendrá fin Que se encuentra o tiene lugar en el exterior

Where the eye mixes eterno and externo

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

6 ch
eterno
7 ch
externo

Look-alike desk: eterno vs externo

A purely visual mix-up. eterno ([eˈt̪eɾno]) and externo ([eksˈt̪eɾno]) 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 12181, derived from the frequency rank of both members and their visual similarity.

eterno is recorded at frequency rank #5,509, classified as anadj, pronounced [eˈt̪eɾno]. externo is at rank #6,672, tagged as anadj, pronounced [eksˈt̪eɾno].

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 12181, this pair ranks #292,448 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of eterno vs externo

Shared letters: enort. Private to "eterno": -. Private to "externo": x.

"eterno" · 6 letters · shape VCVCCV  ·  "externo" · 7 letters · shape VCCVCCV

Known mistypes of this pair

  • eterno ← eetrno · etenro · eternno · eteron · eterrno · etreno · etterno · teerno
  • externo ← etxerno · exetrno · extenro · externno · exteron · exterrno · extreno · extterno

Frequently Asked Questions

Do "eterno" and "externo" mean the same thing in a sentence?
No. They are said differently ([eˈt̪eɾno] versus [eksˈt̪eɾno]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Which is more common, "eterno" or "externo"?
"eterno" is the more common of the two: it sits at frequency rank #5,509 in our Spanish list, against #6,672 for "externo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "eterno" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "externo" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #292,448 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "eterno" and "externo" also get mixed up with nearby pairs, the highest-scored neighbour is "enterró vs externo". 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 #292,448 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