AlanvsAlunWhat's the difference?

Which to use

“Alan” and “Alun” are a confusable English pair: similar on the page, but distinct in meaning, check the gloss before you choose.

#3,275
“Alan” frequency rank
#47,459
“Alun” frequency rank
50734
confusion score

Side-by-Side Comparison

Feature Alan Alun
Definition A male given name from the Celtic languages. A male given name from Welsh.

Letter map: Alan vs Alun

Shared letters muted; letters that set Alan and Alun apart highlighted. Shared run: 3. Alan and Alun follow the identical consonant-vowel pattern (VCVC). Same shape at a glance is often the real trap, independent of shared letters.

4 ch
Alan
4 ch
Alun

Spelling & dictionary notes on Alan vs Alun

Alan and Alun are indexed as a confusable English pair. We have no recorded pronunciation or part of speech for both members, so the spelling overlap is what we can show you: they differ by a single letter - a in “Alan” becomes u in “Alun”. Our composite confusion score for this pair is 50734, derived from the frequency rank of both members and their visual similarity.

Alan is recorded at frequency rank #3,275, classified as aname, pronounced /ˈæl.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 50734, this pair ranks #171,645 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of Alan vs Alun

Shared letters: aln. Private to "Alan": -. Private to "Alun": u.

"Alan" · 4 letters · shape VCVC  ·  "Alun" · 4 letters · shape VCVC

Known mistypes of this pair

  • Alan ← aaln · alann · alna · laan
  • Alun ← allun · alnu · alunn · auln · laun

Frequently Asked Questions

Do "Alan" and "Alun" mean the same thing in a sentence?
No. They differ by a single letter - a in “Alan” becomes u in “Alun”, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.
Which is more common, "Alan" or "Alun"?
"Alan" is the more common of the two: it sits at frequency rank #3,275 in our English list, against #47,459 for "Alun". That is a wide gap, so in ordinary text the rarer spelling is the one worth double-checking.

Useful next steps

Done with this confusable. These links stay specific to "Alan" and "Alun".

  • Full dictionary entry for "Alan" 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 #171,645 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "Alan" 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 #171,645 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