algovsalsTell them apart

Quick tell: algo is a noun, als is an adverb, so they fill different roles in a sentence.

Which to use

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

#49,758
“algo” frequency rank
#17,755
“als” frequency rank
67513
confusion score

Side-by-Side Comparison

Feature algo als
Definition Clipping of algorithm. Obsolete form of also.

Letter map: algo vs als

Shared letters muted; letters that set algo and als apart highlighted. Shared run: 2.

4 ch
algo
3 ch
als

Grammar separator: algo vs als

Our dataset has no pronunciation recorded for both members, so the reliable separator here is grammatical: algo is anoun and alsanadverb. On the page they differ by 1 letter(s) in length. Our composite confusion score for this pair is 67513, 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/. als is at rank #17,755, tagged as anadv.

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 67513, this pair ranks #62,996 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of algo vs als

Shared letters: al. Private to "algo": go. Private to "als": s.

"algo" · 4 letters · shape VCCV  ·  "als" · 3 letters · shape VCC

Known mistypes of this pair

  • algoaglo · alggo · allgo · alog · lago

Frequently Asked Questions

Can "algo" and "als" be used interchangeably?
No - they are not even the same part of speech. "algo" is a noun and "als" an adverb, so a sentence built for one is usually ungrammatical with the other.
In ordinary English text, does "algo" or "als" show up more?
"als" is the more common of the two: it sits at frequency rank #17,755 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.

After this comparison

You've compared "algo" and "als". Here's where to go from here.

  • Full dictionary entry for "algo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "als" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #62,996 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "algo" and "als" 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 #62,996 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