altvsassWhat's the difference?

Which to use

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

#9,434
“alt” frequency rank
#1,065
“ass” frequency rank
10499
confusion score

Side-by-Side Comparison

Feature alt ass
Definition Of a voice or instrument, high pitch; especially, the octave above the top line of the treble stave. Any of several species of horse-like animals, especially Equus asinus, the domesticated of which are used as beasts of burden.

Where the eye mixes alt and ass

Muted = shared; highlighted = the visual trap. They share 1 letter in sequence.

3 ch
alt
3 ch
ass

Why the eye confuses alt with ass

A purely visual mix-up. alt (/ɔːlt/) and ass (/æs/) are said differently, so reading them aloud is the quickest way to catch the wrong one. On the page they stay close: they share most of their letters but differ in 2 positions. Our composite confusion score for this pair is 10499, derived from the frequency rank of both members and their visual similarity.

alt is recorded at frequency rank #9,434, classified as anoun, pronounced /ɔːlt/. ass is at rank #1,065, tagged as anoun, pronounced /æs/.

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 10499, this pair ranks #492,014 of 530,003 scored English confusable pairs - a relatively easy-to-tell-apart pair.

Orthographic DNA of alt vs ass

Shared letters: a. Private to "alt": lt. Private to "ass": s.

"alt" · 3 letters · shape VCC  ·  "ass" · 3 letters · shape VCC

Frequently Asked Questions

Do "alt" and "ass" mean the same thing in a sentence?
No. They are said differently (/ɔːlt/ versus /æs/) and carry different meanings; reading the sentence aloud is usually enough to catch the wrong one.
In ordinary English text, does "alt" or "ass" show up more?
"ass" is the more common of the two: it sits at frequency rank #1,065 in our English list, against #9,434 for "alt". The two are close in frequency, so neither is a safe default; check the meaning rather than guessing.

What to do next

Pronunciation already separates them, if the page still looks alike, the dictionary links below settle it.

  • Full dictionary entry for "alt" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "ass" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #492,014 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "alt" and "ass" also get mixed up with nearby pairs, the highest-scored neighbour is "alt vs Asta". Nearby pair

Confusion rank #492,014 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