algovsAlunTell them apart

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

Which to use

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

#49,758
“algo” frequency rank
#47,459
“Alun” frequency rank
97217
confusion score

Side-by-Side Comparison

Feature algo Alun
Definition Clipping of algorithm. A male given name from Welsh.

Letter map: algo vs Alun

Shared letters muted; letters that set algo and Alun apart highlighted. Shared run: 2. algo (VCCV) and Alun (VCVC) run the same length but a different consonant-vowel pattern - the shape difference is usually the fastest tell.

4 ch
algo
4 ch
Alun

Grammar separator: algo vs Alun

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: algo is anoun and Alunaname. On the page they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 97217, derived from the frequency rank of both members and their visual similarity.

algo is recorded at frequency rank #49,758, classified as anoun, pronounced /ˈæl.ɡoʊ̯/. 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 97217, this pair ranks #366 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of algo vs Alun

Shared letters: al. Private to "algo": go. Private to "Alun": nu.

"algo" · 4 letters · shape VCCV  ·  "Alun" · 4 letters · shape VCVC

Known mistypes of this pair

  • algo ← aglo · alggo · allgo · alog · lago
  • Alun ← allun · alnu · alunn · auln · laun

Frequently Asked Questions

Is swapping "algo" for "Alun" ever safe?
No - they are not even the same part of speech. "algo" is a noun and "Alun" a name, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "algo" or "Alun" show up more?
"Alun" is the more common of the two: it sits at frequency rank #47,459 in our English list, against #49,758 for "algo". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pair "algo" vs "Alun" is on the table, pick a follow-up below.

  • Full dictionary entry for "algo" 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 #366 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "algo" and "Alun" also get mixed up with nearby pairs, the highest-scored neighbour is "alc vs algo". 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 #366 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