algovsaltTell them apart

Which to use

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

#49,758
“algo” frequency rank
#9,434
“alt” frequency rank
59192
confusion score

Side-by-Side Comparison

Feature algo alt
Definition Clipping of algorithm. Of a voice or instrument, high pitch; especially, the octave above the top line of the treble stave.

Where the eye mixes algo and alt

Muted = shared; highlighted = the visual trap. They share 2 letters in sequence.

4 ch
algo
3 ch
alt

Look-alike desk: algo vs alt

A purely visual mix-up. algo (/ˈæl.ɡoʊ̯/) and alt (/ɔːlt/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they differ by 1 letter(s) in length. Our composite confusion score for this pair is 59192, 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/. alt is at rank #9,434, tagged as anoun, pronounced /ɔːlt/.

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 59192, this pair ranks #107,736 of 530,003 scored English confusable pairs - among the most confusable pairs.

Orthographic DNA of algo vs alt

Shared letters: al. Private to "algo": go. Private to "alt": t.

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

Known mistypes of this pair

  • algoaglo · alggo · allgo · alog · lago

Frequently Asked Questions

Can "algo" and "alt" be used interchangeably?
No. They are said differently (/ˈæl.ɡoʊ̯/ versus /ɔːlt/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
Frequency check: "algo" vs "alt" - which ranks higher?
"alt" is the more common of the two: it sits at frequency rank #9,434 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.

Useful next steps

Eye-level mix-up between "algo" and "alt" is sorted above. Next: full entries or other pairs that share a letter shape.

  • Full dictionary entry for "algo" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alt" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #107,736 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "algo" and "alt" 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 #107,736 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