alesvsalterTell them apart

Quick tell: ales is a noun, alter is a verb, so they fill different roles in a sentence.

Which to use

“ales” is a noun and “alter” is a verb - they look or sound alike but fill different roles in a sentence.

#34,373
“ales” frequency rank
#6,540
“alter” frequency rank
40913
confusion score

Side-by-Side Comparison

Feature ales alter
Definition plural of ale To change the form or structure of.

Where the eye mixes ales and alter

Muted = shared; highlighted = the visual trap. They share 3 letters in sequence.

4 ch
ales
5 ch
alter

Why the eye confuses ales with alter

These two trip readers on the page rather than in the ear: ales is /eɪlz/ while alter is /ˈɒl.tə/. Spoken aloud the problem disappears. In writing it persists, because they differ by 1 letter(s) in length, and the parts of speech differ too (noun vs verb), which is usually the fastest check. Our composite confusion score for this pair is 40913, derived from the frequency rank of both members and their visual similarity.

ales is recorded at frequency rank #34,373, classified as anoun, pronounced /eɪlz/. alter is at rank #6,540, tagged as averb, pronounced /ˈɒl.tə/.

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 40913, this pair ranks #263,264 of 530,003 scored English confusable pairs - roughly mid-pack for confusability.

Orthographic DNA of ales vs alter

Shared letters: ael. Private to "ales": s. Private to "alter": rt.

"ales" · 4 letters · shape VCVC  ·  "alter" · 5 letters · shape VCCVC

Known mistypes of this pair

  • alesaels · aless · alles · alse · laes
  • alterallter · alterr · altre · atler

Frequently Asked Questions

Is swapping "ales" for "alter" ever safe?
No - they are not even the same part of speech. "ales" is a noun and "alter" a verb, so a sentence built for one is usually ungrammatical with the other.
Frequency check: "ales" vs "alter" - which ranks higher?
"alter" is the more common of the two: it sits at frequency rank #6,540 in our English list, against #34,373 for "ales". 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 "ales" with definition, IPA, and generated misspellings. Word entry
  • Full dictionary entry for "alter" - compare definitions side by side with the headword page. Word entry
  • This pair ranks #263,264 of 530,003 scored English confusable pairs in this corpus vintage. Corpus statistics
  • "ales" and "alter" also get mixed up with nearby pairs, the highest-scored neighbour is "ales 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 #263,264 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