alibivsalignWhich spelling fits?

Quick tell: alibi is a noun, align is a verb, so they fill different roles in a sentence.

Which to use

“alibi” is a noun and “align” is a verb - they look or sound alike but fill different roles in a sentence.

#25,274
“alibi” frequency rank
#12,359
“align” frequency rank
37633
confusion score

Side-by-Side Comparison

Feature alibi align
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. To form a line; to fall into line.

Where the eye mixes alibi and align

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

5 ch
alibi
5 ch
align

Why the eye confuses alibi with align

These two trip readers on the page rather than in the ear: alibi is /ˈæl.ə.baɪ/ while align is /əˈlaɪn/. 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 (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 37633, 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/. align is at rank #12,359, tagged as averb, pronounced /əˈlaɪn/.

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 37633, this pair ranks #292,912 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of alibi vs align

Shared letters: ail. Private to "alibi": b. Private to "align": gn.

"alibi" · 5 letters · shape VCVCV  ·  "align" · 5 letters · shape VCVCC

Known mistypes of this pair

  • alibiailbi · albii · alibbi · aliib · allibi · laibi
  • alignailgn · algin · aliggn · alignn · aling · allign · laign

Frequently Asked Questions

Do "alibi" and "align" mean the same thing in a sentence?
No - they are not even the same part of speech. "alibi" is a noun and "align" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "alibi" vs "align" - which ranks higher?
"align" is the more common of the two: it sits at frequency rank #12,359 in our English list, against #25,274 for "alibi". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Visual near-miss handled. Browse the word pages or a neighbour when the next look-alike shows up.

  • Full dictionary entry for "alibi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "align" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #292,912 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "alibi" and "align" 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 #292,912 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.

Source: Wiktionary (via kaikki.org) Structured Wiktionary extract

Source: FrequencyWords open word-frequency list