Which to use
“alien” is a noun and “Alun” is a name - they look or sound alike but fill different roles in a sentence.
- #4,347
- “alien” frequency rank
- #47,459
- “Alun” frequency rank
- 51806
- confusion score
Side-by-Side Comparison
| Feature | alien | Alun |
|---|---|---|
| Definition | A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration. | A male given name from Welsh. |
Letter map: alien vs Alun
Shared letters muted; letters that set alien and Alun apart highlighted. Shared run: 3.
Role in the sentence - alien and Alun
Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: alien is anoun and Alunaname. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 51806, derived from the frequency rank of both members and their visual similarity.
alien is recorded at frequency rank #4,347, classified as anoun, pronounced /ˈeɪ.li.ən/. Alun is at rank #47,459, tagged as aname.
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 51806, this pair ranks #162,322 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of alien vs Alun
Shared letters: aln. Private to "alien": ei. Private to "Alun": u.
"alien" · 5 letters · shape VCVVC · "Alun" · 4 letters · shape VCVC
Known mistypes of this pair
Frequently Asked Questions
Can "alien" and "Alun" be used interchangeably?
Frequency check: "alien" vs "Alun" - which ranks higher?
What to do next
You've compared "alien" and "Alun". Here's where to go from here.
- Full dictionary entry for "alien" with definition, IPA, and generated misspellings. Word entry
- Full dictionary entry for "Alun" - compare definitions side by side with the headword page. Word entry
- This pair ranks #162,322 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "alien" and "Alun" also get mixed up with nearby pairs, the highest-scored neighbour is "algo vs Alun". 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 #162,322 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.