Which to use
“algún” is an adjective and “alien” is a noun - they look or sound alike but fill different roles in a sentence.
- #315
- “algún” frequency rank
- #16,005
- “alien” frequency rank
- 16320
- confusion score
Side-by-Side Comparison
| Feature | algún | alien |
|---|---|---|
| Definition | Variante de alguno. | Que viene de fuera del planeta Tierra. |
Where the eye mixes algún and alien
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.
Look-alike desk: algún vs alien
These two trip readers on the page rather than in the ear: algún is [alˈɣ̞ũn] while alien is [ˈaljẽn]. Spoken aloud the problem disappears. In writing it persists, because they share most of their letters but differ in 2 positions, and the parts of speech differ too (adjective vs noun), which is usually the fastest check. Our composite confusion score for this pair is 16320, derived from the frequency rank of both members and their visual similarity.
algún is recorded at frequency rank #315, classified as anadj, pronounced [alˈɣ̞ũn]. alien is at rank #16,005, tagged as anoun, pronounced [ˈaljẽn].
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 16320, this pair ranks #276,661 of 323,831 scored Spanish confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of algún vs alien
Shared letters: aln. Private to "algún": gú. Private to "alien": ei.
"algún" · 5 letters · shape VCCVC · "alien" · 5 letters · shape VCVVC
Known mistypes of this pair
- alien ← ailen · alein · alienn · aline · allien · laien
Frequently Asked Questions
Can "algún" and "alien" be used interchangeably?
Which is more common, "algún" or "alien"?
After this comparison
Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.
- Full dictionary entry for "algún" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "alien" - compare definitions side by side with the headword page. Word entry
- This pair ranks #276,661 of 323,831 scored Spanish confusable pairs in this corpus vintage. Corpus statistics
- "algún" and "alien" also get mixed up with nearby pairs, the highest-scored neighbour is "alien vs alió". 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 #276,661 of 323,831 scored Spanish pairs, corpus vintage 2026-09-03, not spelling advice.