alternanvsalternoWhat's the difference?

Which to use

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

#37,941
“alternan” frequency rank
#30,328
“alterno” frequency rank
68269
confusion score

Side-by-Side Comparison

Feature alternan alterno
Definition Tercera persona del plural (ellos, ellas; ustedes, 2.ª persona) del presente de indicativo de alternar. Primera persona del singular (yo) del presente de indicativo de alternar.

Where the eye mixes alternan and alterno

Muted = shared; highlighted = the visual trap. They share 6 letters in sequence. alternan runs 8 letters (VCCVCCVC) against alterno's 7 (VCCVCCV) - the length gap alone is often enough to separate them once you know to check it.

8 ch
alternan
7 ch
alterno

Look-alike desk: alternan vs alterno

A purely visual mix-up. alternan ([al̪ˈt̪eɾnãn]) and alterno ([al̪ˈt̪eɾno]) 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 68269, derived from the frequency rank of both members and their visual similarity.

alternan is recorded at frequency rank #37,941, classified as averb, pronounced [al̪ˈt̪eɾnãn]. alterno is at rank #30,328, tagged as averb, pronounced [al̪ˈt̪eɾno].

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 68269, this pair ranks #34,941 of 323,831 scored Spanish confusable pairs - among the most confusable pairs.

Orthographic DNA of alternan vs alterno

Shared letters: aelnrt. Private to "alternan": -. Private to "alterno": o.

"alternan" · 8 letters · shape VCCVCCVC  ·  "alterno" · 7 letters · shape VCCVCCV

Known mistypes of this pair

  • alternan ← aletrnan · allternan · altenran · alternann · alternnan · alterrnan · altrenan · altternan
  • alterno ← aletrno · allterno · altenro · alternno · alteron · alterrno · altreno · altterno

Frequently Asked Questions

Is swapping "alternan" for "alterno" ever safe?
No. They are said differently ([al̪ˈt̪eɾnãn] versus [al̪ˈt̪eɾno]) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "alternan" vs "alterno" - which ranks higher?
"alterno" is the more common of the two: it sits at frequency rank #30,328 in our Spanish list, against #37,941 for "alternan". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

After this comparison

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

  • Full dictionary entry for "alternan" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alterno" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #34,941 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
  • "alternan" and "alterno" also get mixed up with nearby pairs, the highest-scored neighbour is "alertan vs alternan". 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 #34,941 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