Alden vs Alun, What's the Difference?

Which to use

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

#23,163
“Alden” frequency rank: #47,459
“Alun” frequency rank: 70622
confusion score

Side-by-Side Comparison

Feature	Alden	Alun
Definition	A surname originating as a patronymic.	A male given name from Welsh.

Letter map: Alden vs Alun

Shared letters muted; letters that set Alden and Alun apart highlighted. Shared run: 3.

5 ch

Alden

4 ch

Alun

Corpus notes: Alden and Alun

Alden 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 1 letter(s) in length. Our composite confusion score for this pair is 70622, derived from the frequency rank of both members and their visual similarity.

Alden is recorded at frequency rank #23,163, classified as aname. 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 70622, this pair ranks #49,815 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of Alden vs Alun

Shared letters: aln. Private to "Alden": de. Private to "Alun": u.

"Alden" · 5 letters · shape VCCVC · "Alun" · 4 letters · shape VCVC

Known mistypes of this pair

Alden ← adlen · aldden · aldenn · aldne · aledn · allden
Alun ← allun · alnu · alunn · auln · laun

Frequently Asked Questions

Is swapping "Alden" for "Alun" ever safe?

No. They differ by 1 letter(s) in length, but the dictionary glosses above give them different meanings, so swapping one for the other changes what the sentence says.

Frequency check: "Alden" vs "Alun" - which ranks higher?

"Alden" is the more common of the two: it sits at frequency rank #23,163 in our English list, against #47,459 for "Alun". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

You've compared "Alden" and "Alun". Here's where to go from here.

Full dictionary entry for "Alden" 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 #49,815 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
"Alden" 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 #49,815 of 530,003 scored English pairs, corpus vintage 2026-09-03, not spelling advice.