Which to use
“Alien” is a noun and “allein” is an adjective - they look or sound alike but fill different roles in a sentence.
- #13,759
- “Alien” frequency rank
- #391
- “allein” frequency rank
- 14150
- confusion score
Side-by-Side Comparison
| Feature | Alien | allein |
|---|---|---|
| Definition | außerirdisches Lebewesen | für sich, getrennt, einsam, einzeln sein; nur; ohne Beistand, Zeugen, Anwesenheit von anderen Personen, ohne Hilfe sein |
Where the eye mixes Alien and allein
Muted = shared; highlighted = the visual trap. They share 4 letters in sequence.
Why the eye confuses Alien with allein
These two trip readers on the page rather than in the ear: Alien is [ˈɛɪ̯liən] while allein is [aˈlaɪ̯n]. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs adjective), which is usually the fastest check. Our composite confusion score for this pair is 14150, derived from the frequency rank of both members and their visual similarity.
Alien is recorded at frequency rank #13,759, classified as anoun, pronounced [ˈɛɪ̯liən]. allein is at rank #391, tagged as anadj, pronounced [aˈlaɪ̯n].
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 14150, this pair ranks #1,953,220 of 2,006,359 scored German confusable pairs - a relatively easy-to-tell-apart pair.
Orthographic DNA of Alien vs allein
Shared letters: aeiln. Private to "Alien": -. Private to "allein": -.
"Alien" · 5 letters · shape VCVVC · "allein" · 6 letters · shape VCCVVC
Known mistypes of this pair
Frequently Asked Questions
Do "Alien" and "allein" mean the same thing in a sentence?
Which is more common, "Alien" or "allein"?
After this comparison
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "Alien" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "allein" - compare definitions side by side with the headword page. Word entry
- This pair ranks #1,953,220 of 2,006,359 scored German confusable pairs in this corpus vintage. Corpus statistics
- "Alien" and "allein" also get mixed up with nearby pairs, the highest-scored neighbour is "Alien vs Alleen". 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 #1,953,220 of 2,006,359 scored German pairs, corpus vintage 2026-09-03, not spelling advice.