Which to use
“alibi” and “alien” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.
- #25,274
- “alibi” frequency rank
- #4,347
- “alien” frequency rank
- 29621
- confusion score
Side-by-Side Comparison
| Feature | alibi | alien |
|---|---|---|
| Definition | The plea or mode of defense under which a person on trial for a crime proves or attempts to prove being in another place when the alleged act was committed. | A person, animal, plant, or other thing which is from outside the family, group, organization, or territory under consideration. |
Where the eye mixes alibi and alien
Muted = shared; highlighted = the visual trap. They share 3 letters in sequence. alibi (VCVCV) and alien (VCVVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.
Look-alike desk: alibi vs alien
A purely visual mix-up. alibi (/ˈæl.ə.baɪ/) and alien (/ˈeɪ.li.ən/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 29621, derived from the frequency rank of both members and their visual similarity.
alibi is recorded at frequency rank #25,274, classified as anoun, pronounced /ˈæl.ə.baɪ/. alien is at rank #4,347, tagged as anoun, pronounced /ˈeɪ.li.ən/.
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 29621, this pair ranks #361,444 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.
Orthographic DNA of alibi vs alien
Shared letters: ail. Private to "alibi": b. Private to "alien": en.
"alibi" · 5 letters · shape VCVCV · "alien" · 5 letters · shape VCVVC
Known mistypes of this pair
Frequently Asked Questions
Is swapping "alibi" for "alien" ever safe?
In ordinary English text, does "alibi" or "alien" show up more?
What to do next
Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.
- Full dictionary entry for "alibi" 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 #361,444 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
- "alibi" and "alien" also get mixed up with nearby pairs, the highest-scored neighbour is "alibi vs aline". 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 #361,444 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.