AbivsalibiWhich spelling fits?

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

Which to use

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

#19,514
“Abi” frequency rank
#25,274
“alibi” frequency rank
44788
confusion score

Side-by-Side Comparison

Feature Abi alibi
Definition A diminutive of the female given name Abigail. 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.

Letter map: Abi vs alibi

Shared letters muted; letters that set Abi and alibi apart highlighted. Shared run: 3.

3 ch
Abi
5 ch
alibi

Role in the sentence - Abi and alibi

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: Abi is aname and alibianoun. On the page they differ by 2 letter(s) in length. Our composite confusion score for this pair is 44788, derived from the frequency rank of both members and their visual similarity.

Abi is recorded at frequency rank #19,514, classified as aname. alibi is at rank #25,274, tagged as anoun, pronounced /ˈæl.ə.baɪ/.

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 44788, this pair ranks #227,330 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Abi vs alibi

Shared letters: abi. Private to "Abi": -. Private to "alibi": l.

"Abi" · 3 letters · shape VCV  ·  "alibi" · 5 letters · shape VCVCV

Known mistypes of this pair

  • alibiailbi · albii · alibbi · aliib · allibi · laibi

Frequently Asked Questions

Is swapping "Abi" for "alibi" ever safe?
No - they are not even the same part of speech. "Abi" is a name and "alibi" a noun, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "Abi" vs "alibi" - which ranks higher?
"Abi" is the more common of the two: it sits at frequency rank #19,514 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.

Useful next steps

Pair "Abi" vs "alibi" is on the table, pick a follow-up below.

  • Full dictionary entry for "Abi" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alibi" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #227,330 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Abi" and "alibi" 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 #227,330 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